fix some docs, add some docs, prep for 0.12 release
add 'plaintext' param to send

to allow sending blobs of plaintext-protocol text
instead of one line at a time
update Changes log
add test for plaintext
add t/200_plaintext.t to MANIFEST
note the prereqs
though I suspect most people already have perl later than 5.6
added 'data' and 'transformer' params to send for arbitrary data structures
and a default transformer for hashes
fix for change of API
add test for hash
tweaks for 0.13
note that it was done during a hackathon at work
forgot to put Changes in MANIFEST