Fix PHAR Links
Fix PHAR Links

Moved to a version based naming scheme.  Just link to the downloads section instead of a specific download.
infame-io/httpful,proneoas/httpful,cybercircuits/httpful,siwinski/httpful,barracudanetworks/httpful,mojaray2k/httpful,nategood/httpful,myorb/httpful,quafzi/httpful,claimsmall/httpful