first cut at supporting nwaddr w mask
whoops, should use mask instead of value here
more comments
clarify comments
quicktest support for masked IP addrs

one subtlety is that m_mask = None is equivalent to m_mask = Some 0
so change how Match.marshal works to make quicktest happy about this
Merge pull request #50 from adferguson/of10_wildcards

OpenFlow 1.0 IP addr wildcards
Fix whitespace
Fix for Travis
Another fix for Travis
Remove label overlaps
Restore label overlaps
Restore label overlaps
Require at least OCaml 4.01.0
Merge pull request #52 from frenetic-lang/flowremoved

Add support for FlowRemoved messages in OpenFlow 0x01
Merge branch 'master' into header

Conflicts:
	lib/OpenFlow0x01.ml
tweaks to make executables work