Add RBIMPL_TODO
Make RUBY_VERSION_SINCE and RUBY_VERSION_BEFORE to take major and minor numbers so usable also in preprocessor directives. Old macros are renamed with "STRING".
RUBY_VERSION_SINCE
RUBY_VERSION_BEFORE
Add RBIMPL_TODO
Make
RUBY_VERSION_SINCEandRUBY_VERSION_BEFOREto take majorand minor numbers so usable also in preprocessor directives. Old
macros are renamed with "STRING".