Resolved issue #15 by removing json_decode() from fb_list_friends().
Resolved issue #16 by changing the check for feed id from numeric to a pattern check of numeric plus underscore.
Merge branch 'full-install'

* full-install:
  Resolved issue #15 by removing json_decode() from fb_list_friends(). Resolved issue #16 by changing the check for feed id from numeric to a pattern check of numeric plus underscore.