Merge remote-tracking branch 'upstream/master'
Test that column names were found for table before attempting to use them
Merge pull request #99 from aratcliffe/master

Test there are column names for table (i.e. table exists) before attempting to use them
Merge branch 'master' into dev

* master:
  Test that column names were found for table before attempting to use them

Conflicts:
	endpoints/tables/index.js