pp-mac: proper formatting of MAC addresses.
pp-mac: more pretty printing for dlTyp, newProto and IPs.
hex: fix bug in hex parsing

The %Lu scanf pattern does account for the leading "0x". Introduced in
92179c14.

Closes #263.

Related to #261.
hex: fix bug in hex parsing

The %Lu scanf pattern does account for the leading "0x". Introduced in
92179c14.

Closes #263.

Related to #261.
Merge pull request #264 from frenetic-lang/hex

fix bug in hex parsing
Merge pull request #261 from frenetic-lang/pp-mac

pp-mac: proper formatting of MAC addresses.
proto: print out protocol numbers as hex

Don't use the Packet pretty printers, as they will turn some protocol
numbers into the names of the protocols.
Merge pull request #265 from frenetic-lang/proto

print out protocol numbers as hex
Merge branch 'master' of https://github.com/frenetic-lang/frenetic into jnf-wip
Merge branch 'jnf-wip' of https://github.com/frenetic-lang/frenetic into jnf-wip
All tests pass, eff yeah.