Mostly just cleanup and renaming of certain stuff (mostly in dependencies).
* Changed uw and sw to usize and ssize.
* Removed zpl_cast usage throughout dependencies
* No longer using GEN_DEF_INLINE & GEN_IMPL_INLINE
* header_start.hpp renamed to platform.hpp for depdendencies header.
- Incrased size of the defines_map_arena to 256KB
- Various fixes for the parser
- Various fixes for code serialization
- Fix for is_equal member func in Code types
- Fixes for hasthable container
- Added are_equal static func to String type for use against StrC
- Added starts_with functions to String type
- package_release.ps1 now packages all docs (forgot to update it with last release)