Add support for options without a '-' prefix as required by rebar.

Boolean options without an argument are now considered true.

src/examples/ex1.erl

@@ -18,7 +18,7 @@ test() ->
 
 
 test(CmdLine) ->
-    OptSpecList = option_spec(),
+    OptSpecList = option_spec_list(),
 
     io:format("For command line: ~p~n"
               "getopt:parse/2 returns:~n~n", [CmdLine]),
@@ -31,7 +31,7 @@ test(CmdLine) ->
     end.
 
 
-option_spec() ->
+option_spec_list() ->
     CurrentUser = os:getenv("USER"),
     [
      %% {Name,     ShortOpt,  LongOpt,       ArgSpec,               HelpMsg}