Merge pull request #1012 in FS/freeswitch from ~CRIENZO/freeswitch:fs-9644-hupall-to-allow-multiple-vars to master

* commit '120e3267':
  FS-9644 [mod_commands][core]     update hupall API to support multiple variables        hupall [cause] [[var1] [val1]] [[var2] [val2]] ...