Merge pull request #105 from matthewleon/simplify-pop

simplify pop code

Merge pull request #93 from purescript/misc-updates

Misc updates

Merge pull request #87 from mlang/Discard

Avoid Discard constraint

Merge pull request #81 from rightfold/master

Fix hasOwnProperty bug again and forever

Merge pull request #76 from sammthomson/tounfoldable

More efficient toUnfoldable without the Ord constraint

Merge pull request #75 from aratama/fix_toUnfoldable

fix toUnfoldable

Merge pull request #74 from purescript/strmap-map-with-key

Add StrMap.mapWithKey

Merge pull request #56 from mtolly/master

Add lookup{LT,LE,GT,GE}, find{Min,Max}