Game will check scripts/levels/mapname.json and load all rpaks in the rpak field.
Game now also unloads pak files loaded by the SDK preventing crashes and unnecessary memory usage.
VPK's and STBSP's are planned to be added as well.
* Add Cbuf_AddText and Cbuf_Execute signatures.
* Remove additional VGui stuff from dedicated statemachine.
* Move signatures to their respective headers.
* De-inline 'CHostState::FrameUpdate()'
* Ported al new patters to GAMEDLL_S1, CEngine still recreation needs extra work
* Rebuild CModGroupApp::Main, did not include the dedicated routine with the empty class global.
* Using a template function now for virtual function calls
* Implemented most of the CEngine class and grabbing its global var now.
* Using local CEngine now in FrameUpdate
* Implemented EngineParms_t fully and grabbing its global var.
* Added macro for adding class member variables at offsets.
A lot of comments added regarding what needs to be done for this commit.
* Check other season compability, wasn't able to do that due to not having access to said binaries at the moment.
* Fix sdklauncher to use widestrings to fix the bug with other languages in path
