v0.32 release

Fixing issue with module name

Update README.md

Creating a release with information message on migrating to new name

Temporary removing can from default loaded layers due to #205 and doing

a minor release 0.23

Release 0.22

New release tag v0.21

Fixing errors from test suite for IPv6/ICMPUnreach/TCPerror

Release 0.19

Better organized code #15