added Nondeterminism typeclass
Future now implements Nondeterminism
added sequenceU and traverseU to Traverse trait, rather than only having them as syntax, used infix
Slight tweak to Nondeterminism to deal with empty sequence in chooseAny, added more tests for Task and made bugfixes
merged
Merge pull request #299 from plokhotnyuk/scalaz-seven

Build passed. Merging.
Task implements Catchable now
added scaladoc to Future and Task and minor cleanup
Moved the Rope into a separate file, flattened structure
Added more tests
This fixes #275
Merge pull request #300 from folone/scalaz-seven

Rope init/tail fix
Merge pull request #301 from plokhotnyuk/scalaz-seven

get rid of Phaser to allow testing with Java 6
Travis CI: build against Java 6 and 7
Improved error handling in flatMap and filter.
Added tests for promise
Add safe print functions to effect
Update sbt-extras

[none]
IndexedContsT, etc.
Merge pull request #303