add a bind to random port method
move LibZMQ into the ZMQ module; add #fd accessor to PollItem
add recv_multipart
fix bug where registered file descriptors were never readable/writable
bump version
fix missing LibZMQ:: namespace before version check
improve the 'any socket' specs
fix potential memory leak of message objects when there's an error on recv
fix race condition in one spec; add a spec to test sockets and mutexes
fix issue 46, Poller#delete bug
remove 4.x and 3.0.x support; add 3.1.x support
bump to 0.9.2
replace bones with bundler
Merge pull request #44 from grantr/bundler

replace bones with bundler
change time units for 0mq 3.1.x api compatibility
print warnings when lib loading fails; give extra help for Windows
minor perf enhancement for #more_parts\? method
lots of perf tuning; fixed bug in Message#copy and Message#move
remove version dependency for ffi
adjust spec to match new libzmq 3.1.0 SUB LINGER expectations