allow loading of Debug builds
fix non-string sourceMap option, fixes #337
Merge pull request #374 from rvagg/maps-fix

sourceMaps non-string option while sourceComments='map' causes crash
Updating to point to extend operator placeholder fix until it's merged into the main project.
Updating version.
Testing adding preinstall script to get this to npm install as a node_module.
Removing preinstall script since it didn't help fix the problem I had hoped it would fix.
Updating tests to look for correct path to source maps. This version of node-sass is used for testing a version of libsass based off of master, which includes some source mapping changes.
Code: Rescue from throwing. (#362)
Code: Rescue from Segmentation Fault. (#361)
update build