[[ Foundation ]] Added declaration for MCStringEncode / MCStringEncodeAndRelease / MCStringDecode / MCStringDecodeAndRelease
[[ Foundation ]] Added declaration for MCStringCreateWithBytesAndRelease / MCStringCreateWithCharsAndRelease / MCStringCreateWithWStringAndRelease / MCStringCreateWithCFStringAndRelease.
Merge branch 'refactor-syntax_unicode' into refactor-syntax_unicode_statics_1
Reverting server files to beginning of branch.