fix command history traceback

fix traceback when typing enter with history disable (method Printer().ask())
clean quit on server disconnect
prompt in color
add login in prompt
new cli exceptions class
proper handle auth failure

read from argline like stdin
fix bug on debuging

* printer and history merged
* printer now handle raw_input and getpass function
* clierror module to cccli.exception
* lot of reorganisation
* history saving of question is disable
* split tql spec and readme
* update tql spec and readme content