Version 0.7.18

2d7d6d5 Added spinoff.actor.quick.{actor, process}
c4217da Added spinoff.actor.spawn as a shortcut to get_context().spawn()

6802dcb Added error handling for fileref deletion
5b6348d Changed FileRef upload to manage error conditions
a7f1778 Added support for file deletion in FileRef
69b68e3 Added .upload(url) to FileRef, does a HTTP POST
9899b09 Changed FileRef.upload and fileref server to accept method for uploading, either POST or PUT
234537e Made FileRef.upload() raise FileNotFound if file does not exist on the file server

7c6b2a7 Clearer exception messages when _BaseCell.get_child or Node.lookup_str are passed bad parameters
512260f Strengthened deathwatch tests and uncovered a bug wherein watching a dead actor results in a termination message from the wather (as opposed to the watched actor)
4b18a67 Suppress the 'Interrupted system call' ZMQError

ff24930 Added the optional timeout parameter to Ref.ask()
83e78ef Fixed Ref.join: now doesn't cause caller to block indefinitely anymore when stopping, and works 63f9a3d Fixed Ref.join() to actually work with remote refs

a774cc1 Stop listening when HttpServer is stopped
d9478b9 Always respect default_content_type in contrib.http
455e7ae Included a form POST example in examples.005_http
6458513 Depend on Werkzeug being installed instead of including it in the source
1daa29b Corrected the default_content_type parameter to contrib.http.Request to content_type
5fb745b Added Request.writeln in contrib.http
2cebd56 Auto-send headers when a Request is closed if needed
eb730c4 Fixed a bug in http.server
86eb50f Better error handling in contrib.http: just send 500 Error in most cases but keep the server running
a9fe5e9 More consistent 500 responses
fd97b5d Added Request.set_status in contrib.http
f957f5d Mention contrib.http in README
d851ddb Added example usage of contrib.http.server

4bbd6de Added the missing call to node.stop() in spin()
055d553 Let ImportErrors pass thru in spin()
a72b5ab Handle Ctrl-C more quietly in spin()
4fdb12a Removed deadlock special handling in spin()
0799c62 Added spinoff.actor.spin() as well as a spin command line interface to it

a41e8c1 Fixed an argument passing logic bug in actor.Props
7197ec4 Fixed a regression: run() [w]as not called if pre_start() was defined
eb6d352 Disallowed passing of init args/kwargs to actors that consume no arguments