added pcapreader support for reading single packets, keyword params can overwrite parsed bytes, code cleanup
new feature: packet visualizer via graph tool, new access methods: lower/upper layer, lowest/top layer, new
tests
Lower layer now directly accessible via raference, bug fixes, code cleanup
added examples for visualizer
Code cleanup, bugfixes
triggerlist bug fixes
Commit for saving purposes (tests NOT running through)
Add pcap-ng format reading. See: https://github.com/mike01/pypacker/issues/4
Add test for pcapng.
fix initial class and typo
Fix timestamp high/low bit shift.
Merge branch 'pcapng' of https://github.com/ainoniwa/pypacker into ainoniwa-pcapng

Conflicts:
	tests/test_pypacker.py
Merge branch 'ainoniwa-pcapng' into v2.9.1