start unit tests with TAP library
add REST_AGENT_DEBUG env var feature; TIMEOUT_MS not supported on older curl packages
implement DELETE doc feature
start on authz tests
add groups, clean up at end
create stories
new method createCredentials()
new convenience method search()
flesh out more tests, still failing
document the test suite
fix markdown
fix failing tests (permission link was not being set)
finish porting perl authz tests; all passing
fix comment typos
refactor createCredentials() to be a static method that uses the API defaults
refactor, moving search() method from AuthClient to static method in CollectionDocJson
set response http code on exception->code
reimplement search() method from php-unit-tests branch, testing exception code rather than message string
finish merge of php-unit-tests
merge search-method