Do not assert negatively with specific exceptions
Stop manipulating load path ourselves

RSpec already puts lib and spec in path
Don't move to RSpec 3.0 just yet

The renaming of `be_true` to `be_truthy` is gonna break tons of tests
here otherwise.
add 1.9.1 to travis builds for shits and giggles
Merge pull request #138 from d/fix_rspec

Fix RSpec deprecation warnings. Makes Travis happy
Revert "add 1.9.1 to travis builds for shits and giggles"

This reverts commit 4f4c1d995b95bb786fd161b86f36760494330abb.