Renames byte to int8.
Renames ubyte to uint8.
Renames short to int16.
Renames ushort to uint16.
Renames int to int32.
Renames uint to uint32.
Renames long to int64.
Renames float to flo32.
Renames double to flo64.
Renames ulong to uint64.
Cleans up dir locals.