added requires-internet to multipartposter test
fixed bad agi detction regex in _sanitize_agis
fixed case sensitivity in _sanitize_agis
added more rigourous tests of _sanitize_agis
added strip() to _sanitize_agis, leading/trailing spaces now allowed in agis
fixed expected return values in agiregex text, in Tests/test_Webtools_TAIR.py
fixed merge issue