readwrite.parse_pajek(): allow multi-word network name
readwrite.parse_pajek(): allow multi-word network name

ghdk/networkx,dhimmel/networkx,RMKD/networkx,ionanrozenfeld/networkx,chrisnatali/networkx,ionanrozenfeld/networkx,harlowja/networkx,blublud/networkx,ltiao/networkx,dmoliveira/networkx,dmoliveira/networkx,ionanrozenfeld/networkx,JamesClough/networkx,Sixshaman/networkx,cmtm/networkx,dmoliveira/networkx,andnovar/networkx,aureooms/networkx,jfinkels/networkx,RMKD/networkx,goulu/networkx,OrkoHunter/networkx,sharifulgeo/networkx,chrisnatali/networkx,harlowja/networkx,beni55/networkx,ghdk/networkx,blublud/networkx,sharifulgeo/networkx,nathania/networkx,michaelpacer/networkx,wasade/networkx,NvanAdrichem/networkx,RMKD/networkx,sharifulgeo/networkx,chrisnatali/networkx,harlowja/networkx,SanketDG/networkx,dhimmel/networkx,jakevdp/networkx,blublud/networkx,dhimmel/networkx,aureooms/networkx,aureooms/networkx,nathania/networkx,tmilicic/networkx,jakevdp/networkx,ghdk/networkx,jakevdp/networkx,yashu-seth/networkx,jcurbelo/networkx,nathania/networkx