Increased batch limit check to compensate internal buffers alignment for lines drawing

* Log a warning if chdir failed, use agnostic CHDIR instead of chdir

* Only include libdrm directory explicitly when not cross compiling

- Found testing core_input_gamepad. The last axis was not drawn.
- GLFW_GAMEPAD_AXIS_LAST is defined to the last axis which is 5
not the total number which is 6.

- Dividing by height instead of width results in missing parts of the image.

Co-authored-by: Simon <simon@frithrah.com>

* Update jar_xm.h

Major bug fixes and refactoring

* Update jar_xm.h

update to version 0.31

Operate over global variable

Removed functions from rlgl module.

Avoid RLGL data dependency to allow moving the functions somewhere else

After some investigation, I came to the conclusion it's impossible to get a solution that works for all situations. Fullscreen mode on web depends on the browser, the canvas and also the desired scaling strategy of the user. Just choose a solution that fits me needs for now and let the user manage the canvas on their webs (hopefully not requiring ToggleFullscreen() call).

Also removed several useless related callbacks.

Simplified some parts and reviewed for a correct computation of matrices, considering stereo render view/projection per eye transformations

Use fabsf() instead of abs()

shaders_rlgl_mesh_instanced -> shaders_mesh_instancing

* CheckCollisionPointTriangle

* New feature proposal to existing collision detection routines.
It checks if point [point] belongs to line created between two points [p1] and [p2] with defined margin in pixels[threshold].
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