Merge pull request #36 from wesleykendall/develop

removed useless query in upsert
Merge pull request #38 from wesleykendall/develop

upsert checks updates before saving
* updated query builder requirement
get travis to recognize my push
* set int field to null
* updated query builder version
* remove dot from fake commit
* updated requirements file
Merge pull request #40 from wesokes/develop

* updated querybuilder to fix failing test
removed requirements.txt