Add missing zyre_selftest.prop to fix msvc build script.
Merge pull request #256 from jossgray/master

Add missing zyre_selftest.prop to fix msvc build script.
Untabify
Merge pull request #257 from jossgray/master

Untabify
Merge from twhittock:enum-groups
Merge pull request #259 from keent/master

Merge from twhittock:enum-groups
Fix build on msvc
Merge pull request #260 from jossgray/master

Fix build on msvc
Problem: Can't retrieve peer header information after first ENTER message.

Solution: Getter method to retrieve header value for a specific peer.
Merge pull request #261 from jossgray/peer-get-header

Problem: Can't retrieve peer header information after first ENTER message