Added Image node that can be used to import textures Renamed all get_shader_code methods to _get_shader code so a caching system can be integrated in node_base (and we can get rid of get_source_rgb and get_source_f functions)
Improved perlin noise and transform nodes. Added an export texture menu entry that exports a texture for the selected node.
- updated all nodes (load/save support and shader generation) - added warp node