Supports line thickness

According to Man Pages, timespec with std=c99 needs "_POSIX_C_SOURCE 199309L". Due a some kind of bug, "#define _POSIX_C_SOURCE 199309L" doesn't work, so we must use "-D_POSIX_C_SOURCE=199309L" in compiler options.

Also reviewed issue with stdbool when compiling with clang

Moved to own repo at https://github.com/raysan5/raylib-lua

Now it uses CharInfo data, this way, it's better aligned with the future
RRES file format data layout for sprite font characters.

Lighting is implemented as a raylib example now

Function names, code formatting...

Some work still required...

Signed-off-by: Saggi Mizrahi <saggi@mizrahi.cc>

Missing passing of &camera

Signed-off-by: Saggi Mizrahi <saggi@mizrahi.cc>

BMFont loading has been improved to support unordered chars and extended
characters (up to 255)

Updated to raylib 1.6 functionality

Corrects weird artifacts on web

A simple 1st person camera... still requires some work...

Exposed Texture2D.id to Lua
Lights now have settable/gettable fields

Most of the examples already working! Only some of them still fail,
mostly related to data arrays...

Simplified module for Music and AudioStream
Added support for raw audio streaming (with example)