Merge pull request #1 from miranetworks/new_api

New API
Update README.md
Dropped use of '2legged'
Changed webmachine dependancy to mira's fork
Added code snippets for python, perl.
Added erlang code snippet.
Expire nonces to prevent ets table blowup.
Update README.md
Added HTTP POST signature verification.
Mostly testing.
More flexible init funs and more tests.
Fixed the fixme's.
Corrections and additions by cobusc.
Merge pull request #2 from miranetworks/add_http_post_support

Added HTTP POST verification support and proper tests.
Update README.md
WIP.