Update linux.yml

converting all of the unnecessary 16-bit integers to 32-bit for the s…

…ake of making the library easier to use

New methods for the Lua scripting API

Merge branch 'main' of github.com:aschuhardt/procyon

adding extra static linkages to some standard libraries for MINGW bui…

…lds so that they can run on Windows independently

moving the CREDIT file up a directory and copying headers to the outp…

…ut directory

making the rendering layer-offset functionality actually function as …

…expected by correctly making use of OpenGL depth buffer and specifying gl_FragDepth in shaders

exposing z-offset setter to the scripting API

adding to the to-do list