With a packet `pkt = IP() / IP(ttl=3) / IP()`, this will allow:

  - pkt.getlayer(IP, ttl=3)
  - pkt[IP, {"ttl": 3}]

This is particularly useful with Dot11Elt() layers, when you want a
specific value (the SSID or supported rates for example).

* Fix warning texts not being printed

* Add legacy style + histfile

* Fix Doc, readme, appveyor

* Add packet fields auto-completion (thanks to @p-l-)

* Pickle, session, interact tests

* Remove trailing line

This will make them usable as set elements or dict or Counter keys.

Signed-off-by: William R. Dieter <william.r.dieter@intel.com>

Add a mysummary() method to the EAP class.

* Apply six fixes
* Include six directly in scapy
* Ignore six library in coverage
* Moved winpcapy to modules
* Iterator and list fixes