Fixed Bonjour to append txt records onto existing txt records.
Added WriteHeaderBase64 method to Http class.
Added a ReadFlush() to Srx::Read() for UDP sockets
Merge branch 'master' of ssh://core.linn.co.uk/home/git/ohnet
Remove an unhelpful incomplete allowed value list
Remove third party Random() implementation in favour of standard library rand().  Factor out a piece of common rand-dependent test code.  Remove a long-obsolete test.
Add missing include
Quick fix for mac-x64 build