Adding Travis-ci support
Add Travis build status to README
Determining why ubuntu/travis fails to build
Hopefully fixing travis via forcing Rust 0.9
Add div by zero checking (probably there's a better way), switch to println! for forward compat w/ 0.10-pre
Adding gitignore to ignore built exe
Adding tests for div/0
Added mod fn to lisp interpreter (%)
test file
removed testfile (testing irc bot)
Merge pull request #4 from rattboi/master

Travis-CI support, divide-by-zero checking, modulo

Adds Travis-CI support for automatic tests. Also adds some testing to the div function, throws EvalError on a divide by zero. Also adds modulo operator.