Update client.py
Update client.py

New purpose, case insentive and unique transition parameter
awurster/jira,pycontribs/jira,rayyen/jira,m42e/jira,dbaxa/jira,coddingtonbear/jira,dwmarshall/pycontribs-jira,stevencarey/jira,coddingtonbear/jira,milo-minderbinder/jira,awurster/jira,pycontribs/jira,VikingDen/jira,akosiaris/jira,m42e/jira,rayyen/jira,akosiaris/jira,kinow/jira,dwmarshall/pycontribs-jira,dbaxa/jira,kinow/jira,milo-minderbinder/jira,stevencarey/jira,VikingDen/jira