- fix build issue in Unvirt and LibCmo
- due to we use UTF8 string. the accessible value generator in EnumsMigration need to be changed at the same time.
- remove string helper in Unvirt because we no longer need it.
- finish CKTexture writer
- add std::enable_if for CKStateChunk::ReadIdent&WriteIdent to limit it in enum type.
- fix error function calling in CKBitmapData writer.
- let CKTexture reader mor formal for mipmap.
- fix CKStateChunk ReadBuffer redirect guideline.
- add a stupid height and width getter for CKBitmapData to serve CKTexture using.