* add exit() to HWM example * add better HWM example * fix: ignore closed sockets on reply(). fixes 82
0.5.0
==================
* add HWM support. Closes 19 * add ability to pass a callback in to the Socket.close method. * update benchmarks. Closes 72 * remove batching
0.4.6
==================
* fix round-robin write to unwritable socket
0.4.5
==================
* add more network errors to be ignored * refactor `SubEmitter` * refactor `PubEmitter` * fix exponential backoff
0.4.4
==================
* fix round-robin global var leak for fallback function. Closes 66
0.4.3
==================
* add 30% throughput increase for sub-emitter by removing some indirection * fix `PubSocketflushBatch()` in order to avoid writing to not writable sockets [AlexeyKupershtokh]