some minor tweaks to README
some minor tweaks to README

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