update docs with recent changes: timeout, cleanup and test-coverage
update docs with recent changes: timeout, cleanup and test-coverage

david415/txtorcon,meejah/txtorcon,isislovecruft/txtorcon,sammyshj/txtorcon,meejah/txtorcon,sammyshj/txtorcon,david415/txtorcon,isislovecruft/txtorcon,ghtdak/txtorcon,ghtdak/txtorcon