fix issues when running with python 2.7
add depracation warning when not using bs4
update deprecation text
rework type check
more py3 fixes
fix error handling bug
Merge pull request #36 from timotheus/nderkach-master

Nderkach master
test commit
Merge branch 'master' of github.com:timotheus/ebaysdk-python into nderkach-master
Merge pull request #37 from timotheus/nderkach-master

Nderkach master
Update Changes
Update _version.py
Python2 compatibility fix on str() function
Merge pull request #41 from synasius/fix-str-issue

Python2 compatibility fix on str() function
fix error code issue with shopping backend
Merge github.com:timotheus/ebaysdk-python