[ffigen] Regexp based Member renaming (#66)

Closes #28 
- Added Member renaming using `member-rename` subkey in declarations.
- Renames struct/enum members and function parameter names using regexp/full matching.
- Added/Updated renaming tests.
14 files changed
tree: 67165a761fbc9eecce85665e0bda78d126ddd142
  1. pkgs/