added new change_affects conditions
removed old test code
added easier testing code
added non-persistent config for tests
fixed example test code
added download.overwrite interface call to testdefault
made patchsystem test script save
added/renamed input_loop prefunc parameter
added parse_seconds2 and xfilesharing_download util functions
improved schemeless link add
changed package.size calculation and changed offline error message
worked on more javascript plugin compatibility
fixed browser.ls under non-win32 systems, closes #70