Merge pull request #251 from elplatt/dev-0.4

Release 0.4.1
Merge branch 'dev' of https://github.com/elplatt/seltzer into dev
api fix for issue #230 #281 #291

api fix for issue #230 #281 #291
Merge pull request #317 from chris18890/issue291

api fix for issue #230 #281 #291