diff --git a/core/containers/queue.h b/core/containers/queue.h
new file mode 100644
index 0000000..b7f82a0
--- /dev/null
+++ b/core/containers/queue.h
@@ -0,0 +1,229 @@
+#ifndef QUEUE_H
+#define QUEUE_H
+
+#include "core/error_macros.h"
+
+#include "vector.h"
+
+template<class T>
+class Queue
+{
+public:
+    void enqueue(const T &job);
+    T dequeue();
+    const T &peek() const;
+
+    bool is_empty() const;
+    bool is_full() const;
+
+    int size() const;
+    int capacity() const;
+    void ensure_capacity(const int capacity);
+    void resize(const int s);
+
+    void pack();
+
+    Queue();
+    Queue(int prealloc);
+    Queue(int prealloc, int grow_by);
+    ~Queue();
+
+private:
+    T* _data;
+    int _head;
+    int _tail;
+
+    int _capacity;
+    int _grow_size;
+};
+
+template <class T>
+void Queue<T>::pack()
+{
+    if (_head == _tail)
+    {
+        _head = 0;
+        _tail = 0;
+        return;
+    }
+
+    if (_head == 0 && _tail == _capacity)
+    {
+        resize(_capacity + _grow_size);
+        return;
+    }
+
+    int j = 0;
+
+    for (int i = _head; i < _tail; ++i)
+    {
+        _data[j++] = _data[i];
+    }
+
+    _head = 0;
+    _tail = j;
+
+}
+
+template <class T>
+void Queue<T>::enqueue(const T &job)
+{
+    if (_tail == _capacity)
+    {
+        pack();
+    }
+
+    _data[_tail++] = job;
+}
+
+template <class T>
+T Queue<T>::dequeue()
+{
+    CRASH_COND(is_empty());
+
+    return _data[_head++];
+}
+
+template <class T>
+const T &Queue<T>::peek() const
+{
+    CRASH_COND(is_empty());
+
+    return _data[_head];
+}
+
+template <class T>
+bool Queue<T>::is_empty() const
+{
+    return _head == _tail;
+}
+
+template <class T>
+bool Queue<T>::is_full() const
+{
+    return (_head == 0) && (_tail == _capacity);
+}
+
+template <class T>
+int Queue<T>::size() const
+{
+    return _tail - _head;
+}
+
+template <class T>
+int Queue<T>::capacity() const
+{
+    return _capacity;
+}
+
+template <class T>
+void Queue<T>::ensure_capacity(const int capacity)
+{
+    if (_capacity < capacity)
+    {
+        resize(capacity);
+    }
+}
+
+template <class T>
+void Queue<T>::resize(const int s)
+{
+    if (s == 0 && _data)
+    {
+        delete[] _data;
+
+        _data = nullptr;
+
+        _capacity = s;
+
+        return;
+    }
+
+    if (!_data)
+    {
+        _data = new T[s];
+        _capacity = s;
+        return;
+    }
+
+    if (is_empty())
+    {
+        delete[] _data;
+
+        _data = new T[s];
+
+        _capacity = s;
+
+        return;
+    }
+
+    if (!is_full())
+    {
+        pack();
+    }
+
+    T* nd = new T[s];
+
+    int to = s > _tail ? _tail : s;
+
+    for (int i = 0; i < to; ++i)
+    {
+        nd[i] = _data[i];
+    }
+
+    delete[] _data;
+    _data = nd;
+    _capacity = s;
+}
+
+template <class T>
+Queue<T>::Queue()
+{
+    _data = nullptr;
+
+    _head = 0;
+    _tail = 0;
+
+    _capacity = 20;
+    _grow_size = 10;
+    resize(_capacity);
+}
+
+template <class T>
+Queue<T>::Queue(int prealloc)
+{
+    _data = nullptr;
+
+    _head = 0;
+    _tail = 0;
+
+    _capacity = prealloc;
+    _grow_size = 10;
+    resize(_capacity);
+}
+
+template <class T>
+Queue<T>::Queue(int prealloc, int grow_by)
+{
+    _data = nullptr;
+
+    _head = 0;
+    _tail = 0;
+
+    _capacity = prealloc;
+    _grow_size = grow_by;
+    resize(_capacity);
+}
+
+template <class T>
+Queue<T>::~Queue()
+{
+    if (_data)
+    {
+        delete[] _data;
+
+        _data = nullptr;
+    }
+}
+
+#endif
diff --git a/core/containers/vector.h b/core/containers/vector.h
new file mode 100644
index 0000000..2c33ad0
--- /dev/null
+++ b/core/containers/vector.h
@@ -0,0 +1,227 @@
+#ifndef VECTOR_H
+#define VECTOR_H
+
+#include "core/error_macros.h"
+
+template <class T>
+class Vector {
+
+public:
+	void push_back(const T &element);
+	void pop_back();
+	void remove(const int index);
+	void remove_keep_order(const int index);
+	void erase(const T &element);
+	void clear();
+	bool empty() const;
+	T get(const int index);
+	const T &get(const int index) const;
+	void set(const int index, const T &value);
+
+	int size() const;
+	int capacity() const;
+	void ensure_capacity(const int capacity);
+	void resize(const int s);
+	void append_array(const Vector<T> &other);
+	int find(const T &val) const;
+
+	int *dataw();
+	const int *data() const;
+
+	const T &operator[](const int index) const;
+	T &operator[](const int index);
+
+	Vector();
+	Vector(int prealloc);
+	Vector(int prealloc, int grow_by);
+	~Vector();
+
+private:
+	T *_data;
+	int _actual_size;
+	int _size;
+	int _grow_by;
+};
+
+template <class T>
+void Vector<T>::push_back(const T &element) {
+	ensure_capacity(_size + 1);
+
+	_data[_size++] = element;
+}
+
+template <class T>
+void Vector<T>::pop_back() {
+	if (_size == 0) {
+		return;
+	}
+
+	--_size;
+}
+
+template <class T>
+void Vector<T>::remove(const int index) {
+	_data[index] = _data[_size - 1];
+
+	--_size;
+}
+
+template <class T>
+void Vector<T>::remove_keep_order(const int index) {
+	--_size;
+
+	for (int i = index; i < _size; ++i) {
+		_data[i] = _data[i + 1];
+	}
+}
+
+template <class T>
+void Vector<T>::erase(const T &element) {
+	int index = find(element);
+
+	if (index != -1) {
+		remove(index);
+	}
+}
+
+template <class T>
+void Vector<T>::clear() {
+	_size = 0;
+}
+
+template <class T>
+bool Vector<T>::empty() const {
+	return _size == 0;
+}
+
+template <class T>
+T Vector<T>::get(const int index) {
+	return _data[index];
+}
+
+template <class T>
+const T &Vector<T>::get(const int index) const {
+	return _data[index];
+}
+
+template <class T>
+void Vector<T>::set(const int index, const T &value) {
+	_data[index] = value;
+}
+
+template <class T>
+int Vector<T>::size() const {
+	return _size;
+}
+
+template <class T>
+int Vector<T>::capacity() const {
+	return _actual_size;
+}
+
+template <class T>
+void Vector<T>::ensure_capacity(const int capacity) {
+	if (capacity <= _actual_size) {
+		return;
+	}
+
+	int tsize = capacity + _grow_by;
+
+	T *nd = new T[tsize];
+
+	if (_data) {
+		for (int i = 0; i < _size; ++i) {
+			nd[i] = _data[i];
+		}
+
+		delete[] _data;
+	}
+
+	_data = nd;
+	_actual_size = tsize;
+}
+
+template <class T>
+void Vector<T>::resize(const int s) {
+	ensure_capacity(s);
+
+	_size = s;
+}
+
+template <class T>
+void Vector<T>::append_array(const Vector<T> &other) {
+	ensure_capacity(_size + other._size);
+
+	for (int i = 0; i < other._size; ++i) {
+		_data[_size++] = other._data[i];
+	}
+}
+
+template <class T>
+int Vector<T>::find(const T &val) const {
+	for (int i = 0; i < _size; ++i) {
+		if (_data[i] == val) {
+			return i;
+		}
+	}
+
+	return -1;
+}
+
+template <class T>
+int *Vector<T>::dataw() {
+	return _data;
+}
+
+template <class T>
+const int *Vector<T>::data() const {
+	return _data;
+}
+
+template <class T>
+const T &Vector<T>::operator[](const int index) const {
+	return _data[index];
+}
+
+template <class T>
+T &Vector<T>::operator[](const int index) {
+	return _data[index];
+}
+
+template <class T>
+Vector<T>::Vector() {
+	_data = nullptr;
+	_actual_size = 0;
+	_size = 0;
+	_grow_by = 100;
+}
+
+template <class T>
+Vector<T>::Vector(int prealloc) {
+	_data = nullptr;
+	_actual_size = 0;
+	_size = 0;
+	_grow_by = 100;
+
+	ensure_capacity(prealloc);
+}
+
+template <class T>
+Vector<T>::Vector(int prealloc, int grow_by) {
+	_data = nullptr;
+	_actual_size = 0;
+	_size = 0;
+	_grow_by = grow_by;
+
+	ensure_capacity(prealloc);
+}
+
+template <class T>
+Vector<T>::~Vector() {
+	if (_data) {
+		delete[] _data;
+		_data = nullptr;
+	}
+}
+
+#endif
\ No newline at end of file
diff --git a/core/string.cpp b/core/string.cpp
new file mode 100644
index 0000000..7c6d074
--- /dev/null
+++ b/core/string.cpp
@@ -0,0 +1,637 @@
+#include "string.h"
+
+#include "error_macros.h"
+#include <stdlib.h>
+#include <cstring>
+#include <cstdio>
+
+void String::push_back(const char element) {
+	ensure_capacity(_size + 1);
+
+	_data[_size++] = element;
+	_data[_size] = '\0';
+}
+
+void String::pop_back() {
+	if (_size == 0) {
+		return;
+	}
+
+	--_size;
+
+	_data[_size] = '\0';
+}
+
+void String::remove(const int index) {
+	_data[index] = _data[_size - 1];
+
+	--_size;
+
+	_data[_size] = '\0';
+}
+
+void String::erase(const char element) {
+	int index = find(element);
+
+	if (index != -1) {
+		remove(index);
+	}
+}
+
+void String::clear() {
+	_size = 0;
+}
+
+bool String::empty() const {
+	return _size == 0;
+}
+
+char String::get(const int index) {
+	return _data[index];
+}
+
+const char String::get(const int index) const {
+	return _data[index];
+}
+
+void String::set(const int index, const char value) {
+	_data[index] = value;
+}
+
+int String::size() const {
+	return _size;
+}
+
+int String::capacity() const {
+	return _actual_size;
+}
+
+void String::ensure_capacity(const int capacity) {
+	if (capacity < _actual_size) {
+		return;
+	}
+
+	int tsize = capacity + _grow_by;
+
+	char *nd = new char[tsize];
+
+	if (_data) {
+        for (int i = 0; i < _size; ++i) {
+            nd[i] = _data[i];
+        }
+
+        delete[] _data;
+	}
+
+	_data = nd;
+	_actual_size = tsize;
+}
+
+void String::resize(const int s) {
+	ensure_capacity(s + 1); // +1 for the null terminator
+
+	_size = s;
+
+	_data[_size] = '\0';
+}
+
+int String::find(const char val) const {
+	for (int i = 0; i < _size; ++i) {
+		if (_data[i] == val) {
+			return i;
+		}
+	}
+
+	return -1;
+}
+
+void String::get_substr(char *into_buf, const int start_index, const int len) {
+    ERR_FAIL_INDEX(start_index + len - 1, _size);
+
+    int j = 0;
+    for (int i = start_index; i < start_index + len; ++i) {
+        into_buf[j++] = _data[i];
+    }
+}
+
+void String::get_substr_nt(char *into_buf, const int start_index, const int len) {
+    ERR_FAIL_INDEX(start_index + len - 1, _size);
+
+    int j = 0;
+    for (int i = start_index; i < start_index + len; ++i) {
+        into_buf[j++] = _data[i];
+    }
+
+    into_buf[len + 1] = '\0';
+}
+
+uint8_t String::read_uint8_bytes_at(int &index, bool advance_index) {
+    ERR_FAIL_INDEX_V(index, _size, 0);
+
+    if (advance_index) {
+        return static_cast<uint8_t>(_data[index++]);
+    } else {
+        return static_cast<uint8_t>(_data[index]);
+    }
+}
+uint16_t String::read_uint16_bytes_at(int &index, bool advance_index) {
+    ERR_FAIL_INDEX_V(index + 1, _size, 0);
+
+    char carr[3];
+    char* p = carr;
+
+    //printf("%u %u\n", static_cast<uint8_t>(p[0]),  static_cast<uint8_t>(p[1]));
+
+    get_substr_nt(p, index, 2);
+
+    const uint16_t *vp = static_cast<const uint16_t *>((void *)p);
+
+    if (advance_index) {
+        index += 2;
+    }
+
+    return *vp;
+}
+uint32_t String::read_uint32_bytes_at(int &index, bool advance_index) {
+    ERR_FAIL_INDEX_V(index + 3, _size, 0);
+
+    char carr[5];
+    char* p = carr;
+
+    get_substr_nt(p, index, 4);
+
+    const uint32_t *vp = static_cast<const uint32_t *>((void *)p);
+
+    if (advance_index) {
+        index += 4;
+    }
+
+    return *vp;
+}
+uint64_t String::read_uint64_bytes_at(int &index, bool advance_index) {
+    ERR_FAIL_INDEX_V(index + 7, _size, 0);
+
+    char carr[9];
+    char* p = carr;
+
+    get_substr_nt(p, index, 8);
+
+    const uint64_t *vp = static_cast<const uint64_t *>((void *)p);
+
+    if (advance_index) {
+        index += 8;
+    }
+
+    return *vp;
+}
+
+int8_t String::read_int8_bytes_at(int &index, bool advance_index) {
+    ERR_FAIL_INDEX_V(index, _size, 0);
+
+    if (advance_index) {
+        return static_cast<int8_t>(_data[index++]);
+    } else {
+        return static_cast<int8_t>(_data[index]);
+    }
+}
+int16_t String::read_int16_bytes_at(int &index, bool advance_index) {
+    ERR_FAIL_INDEX_V(index + 1, _size, 0);
+
+    char carr[3];
+    char* p = carr;
+
+    //printf("%u %u\n", static_cast<uint8_t>(p[0]),  static_cast<uint8_t>(p[1]));
+
+    get_substr_nt(p, index, 2);
+
+    const int16_t *vp = static_cast<const int16_t *>((void *)p);
+
+    if (advance_index) {
+        index += 2;
+    }
+
+    return *vp;
+}
+int32_t String::read_int32_bytes_at(int &index, bool advance_index) {
+    ERR_FAIL_INDEX_V(index + 3, _size, 0);
+
+    char carr[5];
+    char* p = carr;
+
+    get_substr_nt(p, index, 4);
+
+    const int32_t *vp = static_cast<const int32_t *>((void *)p);
+
+    if (advance_index) {
+        index += 4;
+    }
+
+    return *vp;
+}
+int64_t String::read_int64_bytes_at(int &index, bool advance_index) {
+    ERR_FAIL_INDEX_V(index + 7, _size, 0);
+
+    char carr[9];
+    char* p = carr;
+
+    get_substr_nt(p, index, 8);
+
+    const int64_t *vp = static_cast<const int64_t *>((void *)p);
+
+    if (advance_index) {
+        index += 8;
+    }
+
+    return *vp;
+}
+
+void String::append_uint8_bytes(const uint8_t val) {
+    ensure_capacity(_size + 1);
+
+    _data[_size++] = val;
+    _data[_size] = '\0';
+}
+void String::append_uint16_bytes(const uint16_t val) {
+    ensure_capacity(_size + 2);
+
+    const char *vp = static_cast<const char *>((void *)&val);
+
+    //printf("a %u %u\n", static_cast<uint8_t>(vp[0]),  static_cast<uint8_t>(vp[1]));
+
+    memcpy(&_data[_size], vp, 2);
+
+    _size += 2;
+
+    _data[_size] = '\0';
+}
+void String::append_uint32_bytes(const uint32_t val) {
+    ensure_capacity(_size + 4);
+
+    const char *vp = static_cast<const char *>((void *)&val);
+
+    memcpy(&_data[_size], vp, 4);
+
+    _size += 4;
+
+    _data[_size] = '\0';
+}
+void String::append_uint64_bytes(const uint64_t val) {
+    ensure_capacity(_size + 8);
+
+    const char *vp = static_cast<const char *>((void *)&val);
+
+    memcpy(&_data[_size], vp, 8);
+
+    _size += 8;
+
+    _data[_size] = '\0';
+}
+
+void String::append_int8_bytes(const int8_t val) {
+    ensure_capacity(_size + 1);
+
+    _data[_size++] = val;
+    _data[_size] = '\0';
+}
+void String::append_int16_bytes(const int16_t val) {
+    ensure_capacity(_size + 2);
+
+    const char *vp = static_cast<const char *>((void *)&val);
+
+    //printf("a %u %u\n", static_cast<uint8_t>(vp[0]),  static_cast<uint8_t>(vp[1]));
+
+    memcpy(&_data[_size], vp, 2);
+
+    _size += 2;
+
+    _data[_size] = '\0';
+}
+void String::append_int32_bytes(const int32_t val) {
+    ensure_capacity(_size + 4);
+
+    const char *vp = static_cast<const char *>((void *)&val);
+
+    memcpy(&_data[_size], vp, 4);
+
+    _size += 4;
+
+    _data[_size] = '\0';
+}
+void String::append_int64_bytes(const int64_t val) {
+    ensure_capacity(_size + 8);
+
+    const char *vp = static_cast<const char *>((void *)&val);
+
+    memcpy(&_data[_size], vp, 8);
+
+    _size += 8;
+
+    _data[_size] = '\0';
+}
+
+float String::read_float_bytes_at(int &index, bool advance_index) {
+    ERR_FAIL_INDEX_V(index + 3, _size, 0);
+
+    char carr[5];
+    char* p = carr;
+
+    get_substr_nt(p, index, 4);
+
+    const float *vp = static_cast<const float *>((void *)p);
+
+    if (advance_index) {
+        index += 4;
+    }
+
+    return *vp;
+}
+void String::append_float_bytes(const float val) {
+    ensure_capacity(_size + 4);
+
+    const char *vp = static_cast<const char *>((void *)&val);
+
+    memcpy(&_data[_size], vp, 4);
+
+    _size += 4;
+
+    _data[_size] = '\0';
+}
+
+double String::read_double_bytes_at(int &index, bool advance_index) {
+    ERR_FAIL_INDEX_V(index + 7, _size, 0);
+
+    char carr[9];
+    char* p = carr;
+
+    get_substr_nt(p, index, 8);
+
+    const double *vp = static_cast<const double *>((void *)p);
+
+    if (advance_index) {
+        index += 8;
+    }
+
+    return *vp;
+}
+void String::append_double_bytes(const double val) {
+    ensure_capacity(_size + 8);
+
+    const char *vp = static_cast<const char *>((void *)&val);
+
+    memcpy(&_data[_size], vp, 8);
+
+    _size += 8;
+
+    _data[_size] = '\0';
+}
+
+void String::append_str(const char* str) {
+    if (str == nullptr) {
+        return;
+    }
+
+    int i = 0;
+
+    while (str[i] != '\0') {
+        push_back(str[i++]);
+    }
+}
+
+void String::append_str(const String &other) {
+	ensure_capacity(_size + other._size + 1); // +1 for the null terminator
+
+	for (int i = 0; i < other._size; ++i) {
+		_data[_size++] = other._data[i];
+	}
+
+	_data[_size] = '\0';
+}
+
+float String::to_float() {
+	return atof(c_str());
+}
+
+double String::to_double() {
+	return atof(c_str());
+}
+
+int String::to_int() {
+	return atoi(c_str());
+}
+
+uint32_t String::to_uint() {
+	return static_cast<uint32_t>(atoll(c_str()));
+}
+
+char *String::c_str() {
+	return _data;
+}
+
+const char *String::c_str() const {
+	return _data;
+}
+
+char *String::dataw() {
+	return _data;
+}
+
+const char *String::data() const {
+	return _data;
+}
+
+const char String::operator[](const int index) const {
+	return _data[index];
+}
+
+char String::operator[](const int index) {
+	return _data[index];
+}
+
+String &String::operator+=(const String &b) {
+	ensure_capacity(_size + b._size + 1); // +1 for the null terminator
+
+	for (int i = 0; i < b._size; ++i) {
+		_data[_size++] = b._data[i];
+	}
+
+	return *this;
+}
+
+String &String::operator+=(const char chr) {
+	push_back(chr);
+
+	return *this;
+}
+
+String &String::operator+=(const char *p_c_str) {
+	int i = 0;
+	while (p_c_str[i] != '\0') {
+		push_back(p_c_str[i]);
+		++i;
+	}
+
+	return *this;
+}
+
+String operator+(String lhs, const String &rhs) {
+	lhs += rhs;
+
+	return lhs;
+}
+
+String operator+(String lhs, const char *rhs) {
+	lhs += rhs;
+
+	return lhs;
+}
+
+String operator+(String lhs, const char rhs) {
+	lhs += rhs;
+
+	return lhs;
+}
+
+bool operator==(const String &a, const String &b) {
+	if (a._size != b._size) {
+		return false;
+	}
+
+	for (int i = 0; i < a._size; ++i) {
+		if (a[i] != b[i]) {
+			return false;
+		}
+	}
+
+	return true;
+}
+
+bool operator!=(const String &a, const String &b) {
+	return !(a == b);
+}
+
+bool operator==(const String &a, const char *b) {
+	int i = 0;
+	while (b[i] != '\0' && i < a._size) {
+		if (a[i] != b[i]) {
+			return false;
+		}
+
+		++i;
+	}
+
+	if (i != a._size) {
+		return false;
+	}
+
+	return true;
+}
+
+bool operator!=(const String &a, const char *b) {
+	return !(a == b);
+}
+
+bool operator==(const char *b, const String &a) {
+	int i = 0;
+	while (b[i] != '\0' && i < a._size) {
+		if (a[i] != b[i]) {
+			return false;
+		}
+
+		++i;
+	}
+
+	if (i != a._size) {
+		return false;
+	}
+
+	return true;
+}
+
+bool operator!=(const char *b, const String &a) {
+	return !(a == b);
+}
+
+String::String() {
+	_data = nullptr;
+	_actual_size = 0;
+	_size = 0;
+	_grow_by = 100;
+
+	ensure_capacity(100);
+
+	_data[0] = '\0';
+}
+
+String::String(const String &other) {
+	_data = nullptr;
+	_actual_size = 0;
+	_size = 0;
+	_grow_by = 100;
+
+	//+1 for the null terminator in case its needed
+	ensure_capacity(other.size() + 1);
+
+	for (int i = 0; i < other._size; ++i) {
+		_data[i] = other._data[i];
+	}
+
+	_data[other._size] = '\0';
+}
+
+String::String(const String &other, int grow_by) {
+	_data = nullptr;
+	_actual_size = 0;
+	_size = 0;
+	_grow_by = grow_by;
+
+	//+1 for the null terminator in case its needed
+	ensure_capacity(other.size() + 1);
+
+	for (int i = 0; i < other._size; ++i) {
+		_data[i] = other._data[i];
+	}
+
+	_data[_size] = '\0';
+}
+
+String::String(const char* p_c_str) {
+	_data = nullptr;
+	_actual_size = 0;
+	_size = 0;
+	_grow_by = 100;
+
+	operator+=(p_c_str);
+}
+
+String::String(const char* p_c_str, const int grow_by) {
+	_data = nullptr;
+	_actual_size = 0;
+	_size = 0;
+	_grow_by = grow_by;
+
+	operator+=(p_c_str);
+}
+
+String::String(int prealloc) {
+	_data = nullptr;
+	_actual_size = 0;
+	_size = 0;
+	_grow_by = 100;
+
+	ensure_capacity(prealloc);
+}
+
+String::String(int prealloc, int grow_by) {
+	_data = nullptr;
+	_actual_size = 0;
+	_size = 0;
+	_grow_by = grow_by;
+
+	ensure_capacity(prealloc);
+}
+
+String::~String() {
+	if (_data) {
+        delete[] _data;
+    }
+}
diff --git a/core/string.h b/core/string.h
new file mode 100644
index 0000000..386e96e
--- /dev/null
+++ b/core/string.h
@@ -0,0 +1,101 @@
+#ifndef STRING_H
+#define STRING_H
+
+#include <inttypes.h>
+
+class String {
+public:
+	void push_back(const char element);
+	void pop_back();
+	void remove(const int index);
+	void erase(const char element);
+	void clear();
+	bool empty() const;
+	char get(const int index);
+	const char get(const int index) const;
+	void set(const int index, const char value);
+
+	int size() const;
+	int capacity() const;
+	void ensure_capacity(const int capacity);
+	void resize(const int s);
+	int find(const char val) const;
+	void get_substr(char *into_buf, const int start_index, const int len);
+	void get_substr_nt(char *into_buf, const int start_index, const int len);
+
+	uint8_t read_uint8_bytes_at(int &index, bool advance_index = true);
+	uint16_t read_uint16_bytes_at(int &index, bool advance_index = true);
+	uint32_t read_uint32_bytes_at(int &index, bool advance_index = true);
+	uint64_t read_uint64_bytes_at(int &index, bool advance_index = true);
+
+	int8_t read_int8_bytes_at(int &index, bool advance_index = true);
+	int16_t read_int16_bytes_at(int &index, bool advance_index = true);
+	int32_t read_int32_bytes_at(int &index, bool advance_index = true);
+	int64_t read_int64_bytes_at(int &index, bool advance_index = true);
+
+	void append_uint8_bytes(const uint8_t val);
+	void append_uint16_bytes(const uint16_t val);
+	void append_uint32_bytes(const uint32_t val);
+	void append_uint64_bytes(const uint64_t val);
+
+	void append_int8_bytes(const int8_t val);
+	void append_int16_bytes(const int16_t val);
+	void append_int32_bytes(const int32_t val);
+	void append_int64_bytes(const int64_t val);
+
+	float read_float_bytes_at(int &index, bool advance_index = true);
+    void append_float_bytes(const float val);
+    double read_double_bytes_at(int &index, bool advance_index = true);
+    void append_double_bytes(const double val);
+
+	void append_str(const char* str);
+	void append_str(const String &other);
+
+	float to_float();
+	double to_double();
+	int to_int();
+	uint32_t to_uint();
+
+	char *c_str();
+	const char *c_str() const;
+
+	char *dataw();
+	const char *data() const;
+
+	const char operator[](const int index) const;
+	char operator[](const int index);
+
+	String &operator+=(const String &b);
+	String &operator+=(const char chr);
+	String &operator+=(const char *p_c_str);
+
+	friend String operator+(String lhs, const String &rhs);
+	friend String operator+(String lhs, const char *rhs);
+	friend String operator+(String lhs, const char rhs);
+
+	friend bool operator==(const String &a, const String &b);
+	friend bool operator!=(const String &a, const String &b);
+
+	friend bool operator==(const String &a, const char *b);
+	friend bool operator!=(const String &a, const char *b);
+
+	friend bool operator==(const char *b, const String &a);
+	friend bool operator!=(const char *b, const String &a);
+
+	String();
+	String(const String &other);
+	String(const String &other, const int grow_by);
+	String(const char* p_c_str);
+	String(const char* p_c_str, const int grow_by);
+	String(const int prealloc);
+	String(const int prealloc, const int grow_by);
+	~String();
+
+private:
+	char *_data;
+	int _actual_size;
+	int _size;
+	int _grow_by;
+};
+
+#endif