add color_gray
make gui system use pre-defined color values
started working on backwards-compatible save/load -- not ready yet
cleanup new save/load a bit -- still not ready though
update notes
add warning about break/return out of serializer_enter_section(...) blocks
wrote updated save/load primitives with name, default value
save/load primitives now return whether found
updated Vec2, Mat3, Color save/load to new system
remove accidental whitespace
yet another overhaul of save/load -- moving to a consistent 'Store' tree model
use streams inside each store object for save/load
more save/load primitives
actually use error macros, disable testing code
fix save/load functions still naming Serializer/Deserializer in declaration
update Vec2, Mat3, Color save/load functions
starting migrating Entity/EntityPool to new save/load system
forgot return value in entity_load(...) -- fixed
don't remap default entity id if none was saved
update EntityPool save/load helpers to new system