Fixed glfwGetVideoMode in GLFW3
Fixed #23 issue (glfwGetVideoMode)

GetVideoMode is working now in GLFW3.
Merge branch 'glfw3_bugfix' of https://github.com/ZeronSix/Pencil.Gaming into glfw3_bugfix
Merge pull request #1 from mp4/master

Adding some default parameters to methods
Updated binaries
Fixed Glfw.GetVideoMode