simplify test, extract process factory
handle post requests of type execute
set Content-Type to text/xml
return 405 error if method is not GET or POST
return 400 error if get request is not understood
push xml building into the test client
400 error if post request type is not understood
execute with bad identifier returns 400 error
helper that gets output from ExecuteResponse xml
refactor assertions
it's wps:Data not ows:Data
Process is no longer a wsgi app
fix xpaths in parser of outputs
parse string input of execute post request
unit tests for xml request parser
handle multiple inputs with same name
join the unit tests
implement POST version of GetCapabilities
extract xpath_ns helper
keep processes as a dict, not a list