Adding error message
Fixing errors
Fixing some more issues
commiting for pulling
Merge branch 'master' of github.com:qiime/QiiTa into issue140
Removing code duplication
Printing the object id
Fixing imports
Fixing travis
fixing PEP 8
PEP8 in py3
Merge pull request #157 from josenavas/issue140

Informative errors on qiita_env