Support .pause() and .resume(); and support request-like {"url":...} …

…arguments

Bugfix for when couch crashes

Fix runtime error when log4js is missing

Mostly an internal refactor to use an extensively-tested stream API, …

…primarily to get pause/resume of the data feed

A "catchup" event, and documentation

Many new changes

* New node-tap test suite
* Your callback now has "this" set to the feed object
* Calling .stop() no longer leaks timeouts and actually allows Node to exit
* Following a changes feed no longer consumes sockets from the Agent pool
* Return an error if the database is deleted while you are following it
* Negative "since" parameters start from the end of the feed; since="now" also supported.

Better request dependency, better log4js operation, smaller package

Upgrade to the latest request version

Node v0.6 support via an upgrade to request

Tag release