Fix tests for python 3 in setupttols environment

Upgrade to python3

Loading client without protobuf will not be blocking

See cloudfoundry-community#14

Fix documentation bug

See cloudfoundry-community#13

Merge pull request cloudfoundry-community#8 from romain-dartigues/fix…

…_setup

fix cloudfoundry-community#7: pip install broken by 5e5d45e

Fix missing import

Add access to dictionary entries as attributes and fix some tests

Fix page iteration

This change correct issue regarding the next url and add some tests in it

Application summary

- add summary request for application
- add summary in command line

Fix tests