Added packet summary object and the option to parse only summaries by using tshark's psml output.
Updated version in setup
Merge branch 'master' of https://github.com/KimiNewt/pyshark into HEAD

Conflicts:
	src/pyshark/capture/capture.py
Merge branch 'master' of https://github.com/KimiNewt/pyshark into HEAD

Conflicts:
	src/pyshark/capture/capture.py