Merge pull request #11 from dylex/master

Additions, improvements, and optimizations for StrMap
Added Foldable/Traversable Instances.
Merge pull request #12 from joneshf/master

Added Foldable/Traversable Instances.
Remove Data.Graph (moving to new package)
Merge pull request #13 from purescript-contrib/extract-graph

Remove Data.Graph
Remove Data.Set
Merge pull request #14 from purescript-contrib/extract-set

Remove Data.Set
use triple-quoted strings to avoid backslashes
Merge pull request #16 from davidchambers/triple-quotes

use triple-quoted strings to avoid backslashes
Fixes for 0.6.1
Update Gruntfile, merge two cases as suggested by @joneshf.
Merge pull request #17 from purescript/0.6.1

Fixes for 0.6.1
Fix _copyEff not to directly reference _copy

Fixes #19
Fix StrMap.foldM implementation

It previously did not work correctly with monads that deferred
evaluation (like Eff) because k had the wrong scope.  This adds an
explicit closure for k.  Fixes #18