add pypy to travis.yml
add count
add sorted to curried namespace
merge_with raises err on no inputs
only toolz.curried.merge_with fails on no dicts
remove toolz.merge_with from do_curry set
Merge pull request #72 from mrocklin/curry-sorted

add sorted to curried namespace
"not to be confused with itertools.count"
Merge pull request #64 from mrocklin/pypy-travis

add pypy to travis.yml
Merge branch 'master' into merge-with-no-inputs

Conflicts:
	toolz/tests/test_curried.py
Merge pull request #71 from mrocklin/count

add count
Merge pull request #73 from mrocklin/merge-with-no-inputs

merge_with raises err on no inputs
bump version to 0.4.0
Merge remote-tracking branch 'upstream/master' into lazy-remove

Conflicts:
	toolz/itertoolz/tests/test_core.py