Fixed the version of ariatemplates.

New version of ariatemplates (1.6) brings a non-backward compatibility issue. therefore I fixed the version number in package.json.

Also, I improved a little the output of parsing failures.
WIP Gigantic refactoring and cleaning...
WIP Gigantic refactoring and cleaning...
WIP Gigantic refactoring and cleaning... Really.
WIP Gigantic refactoring and cleaning... will it end one day?
WIP Adding missing files... I was afraid to have lost them.