Removed an unused function and tried to improve the smartness of when we use glOrthof rather than glOrtho.
Replaced current vector math functions fully with glm.
Fix sometimes failing cost_path_search_function test.
a hoard of strict typing fixes
Merge branch 'master' of github.com:anura-engine/anura
Merge branch 'master' of github.com:anura-engine/anura
added a level.mouselook_invert that can be used to invert the y-axis when in mouselook mode.
Changed level.isomap and level.camera to be more accepting, type-wise.
made it so that get_document() witho no special flags will optimize away at formula compile time
Merge branch 'master' of github.com:anura-engine/anura
added proper type information to maps
Added some old anura logos that were kicking around here. Wouldn't want to loose them now, would we?
Merge branch 'master' of github.com:anura-engine/anura
Create README.md

We needed a link to Frogatto here.
Update README.md

Fixed some formatting issues.
Converted the get_value/set_value in camera_callable over to the new way of doing things, with types.
Merge branch 'master' of github.com:anura-engine/anura
Added missing state updates when setting camera variables.
Added lookat(...) function that effects the 3d camera by specifying the parameters directly. mouselook mode will override this. example. lookat(level.camera, [32,16,32], [16,1,16], [0,1,0]).
Additional camera options when initialising it.