Updated scalaz to 7.0.0-M8.
Merge pull request #10 from markhibberd/master

Updated scalaz to latest, 7.0.0-M8.
Fixed replicateM_ in Plan.
Merge pull request #11 from pocketberserker/fix-replicateM_

Fixed replicateM_ in Plan.
12: fixed mergeOuterJoin losing events, defined a corresponding property
Merge pull request #13 from hajile/master

fixed mergeOuterJoin issue
added some tests for Tee.mergeOuterJoin and Tee.hashJoin
Merge pull request #14 from hajile/master

Added some tests
Added travis builds, changed scala to 2.10.1 due to a bug in 2.10.0
Added tests for Process
Merge pull request #16 from hajile/master

Added tests for Tee and Process, set up a Travis CI build
add 'filter' and 'withFilter'
Merge pull request #17 from halcat0x15a/filter

add 'filter' and 'withFilter'