Added ILuaBase::GetAngle/PushAngle/GetVector/PushVector
Added ILuaBase::CreateMetaTable/PushMetaTable/PushUserType/SetUserType/GetUserType
Deprecated ILuaBase::NewUserdata/CreateMetaTableType
Added ILuaInterface::PushUserType_Value for memory managed by Lua
Removed Angle.__gc & Vector.__gc, Vectors & Angles now use PushUserType_Value