Fixing Dolibarrpy.create_project()

[samuelDeom]

Dolibarrpy.create_project doesn't work.
To fix it, add an "s" at "project" line 768 in Dolibarrpy.py :
result = self.call_create_api('project', -> result = self.call_create_api('projects',

[JonBendtsen]

oh I never even noticed this, drowning in all the other messages github sends me. You are very welcome to send a pull request @samuelDeom