Use regex module to work around arbitrary limitations in re

Our automatically generated regular expressions break Python's random
and arbitrary limit of 100 groups. See
  http://stackoverflow.com/questions/478458

.travis.yml

@@ -1,5 +1,6 @@
 before_install:
   - "sudo pip install http://closure-linter.googlecode.com/files/closure_linter-latest.tar.gz"
+  - "sudo pip install regex"
   - "git clone --depth=50 https://github.com/jsdoc3/jsdoc build/jsdoc"
   - "git clone https://code.google.com/p/glsl-unit/ build/glsl-unit"
 

build.py

@@ -5,7 +5,7 @@ import gzip
 import json
 import os
 import os.path
-import re
+import regex as re
 import shutil
 import sys