Creates a Project with the given information.

def create_project(self, name, client_id, budget = None, budget_by =
    	'none', notes = None, billable = True):
        '''Creates a Project with the given information.'''
        project = {'project':{
            'name': name,
            'client_id': client_id,
            'budget_by': budget_by,
            'budget': budget,
            'notes': notes,
            'billable': billable,
        }}
        response = self.post_request('projects/', project, follow = True)
        if response:
            return Project(self, response['project'])