Added support in glGetBooleanv GL_VERTEX_ARRAY.
Added some more symbols to `glGetBooleanv`
- `GL_TEXTURE_COORD_ARRAY`
- `GL_TEXTURE_2D`
- `GL_COLOR_ARRAY`
add OPTIONS verb so that CORS works in Chrome. also use OOP
Merge pull request #877 from vvuk/response-files

Add response file support to emscripten
clean up response file code
Merge pull request #871 from ysangkok/chrome-fix

bin xhr sync test: add OPTIONS verb so that CORS works in Chrome. also use OOP
Merge pull request #870 from michaeljbishop/adding-glgetbooleanv-gl-vertex-array

Added support in glGetBooleanv GL_VERTEX_ARRAY.
testing for glGetBooleanv
show signature in dyncall errors, and simplify approach
add cache debugging