Upgrading to version 1.1.5
Adding backup import option to Newman
Fixing travis
Version 1.1.6 - backup import
Adding clearEnv() and clearGlobal() functions, not touching variables if they're not found
Reverted to older version of tv4

1.1.3 is not usable
Updating tv4 to 1.1.4 after it was fixed
Adding case-insensitive header checking
Merge branch 'master' of github.com:a85/Newman
Travis fix