First version of EQC tests for HTTP decode
Match answer in Quickcheck tests
Generators for cookies
Test for Set-Cookie decoding and code bugfixing on decode cookie avs

* Dates are not fully parsed in lhttpc_protocol
Stop webserver after test
Support cookies with rfc850 date
Support for asctime-date on Set-Cookie
Remove import module from tests and use of new webserver:start/2
Remove trailing LWS on headers
Simpler client - no pool, only client calls

* Some bugfixes on lhttpc_protocol
Simpler client, removed interface
Remove partial uploads
Support use_cookies option