Ignore files generated in "tests"
Remove "import System"
Fix import of Char to Data.Char, System to System.Environment.
Change catch to catchIOError.
Add -rtsopts for compilation
Remove the attempt to process expr.stat.
Ignore generated output from examples/glr/
Merge pull request #28 from FranklinChen/fix-glr-support

Fix GLR support
Remove unused code in GenUtils
Replace thd3 with pattern-matching
Move ljustify to where it's used
Replace MaybeErr with Either
Simplify the implementation of First
Refactor LALR
Remove redundant bounds check
Replace ParseMonad with Reader/Either
Merge pull request #30 from int-index/master

Cleanup patchset