Update Makefile for libglslopt
tests: add more tests
tests: extend test to check how ternary selection interacts with default precision
Fix missing precision qualifier on some variables in some ES shaders
tests: update test output after missing float precision qualifier fix
bugfix: determine initial value for loop variables in all cases
bugfix: do not skip assignments or declarations for loop variables if for loop is not emitted
Fixed build error on VS2013, which adds copysign() without underscore
The project is not compiling under linux 

In file included from /home/ddeath/Downloads/glsl/contrib/glslopt/Main.cpp:4:0:
/home/ddeath/Downloads/glsl/src/glsl/glsl_optimizer.h:45:14: error:   initializing argument 1 of ‘glslopt_ctx* glslopt_initialize(glslopt_target)’ [-fpermissive]
 glslopt_ctx* glslopt_initialize (glslopt_target target);
Merge pull request #59 from ddeath/patch-1

The project is not compiling under linux
using native abstractions for better node compatibility
updating gitignore with node_modules
Merge branch 'master' of https://github.com/aras-p/glsl-optimizer into node-nan
updating to latest version
Merge pull request #57 from pocketgems/fix_loop_bugs

Fix loop bugs
update changelog
Merge pull request #58 from jspohr/master

Fixed build error on VS2013, which adds copysign() without underscore
Merge pull request #60 from mattdesl/node-nan

Update Node bindings, use nan for compatibility
updating readme with correct details
adding a few more keywords for better NPM discoverability