Admit no results case for Google and DDG plugins (for issue #21)

plugins/ddg.py

@@ -53,5 +53,7 @@ class ddg(object):
             elif str(jl["Definition"]) != "":
                 url = urllib.parse.unquote(str(jl["DefinitionURL"]))
                 self.server.doMessage(channel, user + ": " + "%s %s" % (url, str(jl["Definition"])))
+            else:
+                self.server.doMessage(channel, "No results for " + request + '.')
         except Exception as e:
             self.server.doMessage(channel, user + ": " + str(e))

plugins/google.py

@@ -46,3 +46,5 @@ class Google(object):
                 title = result1['titleNoFormatting']
                 title = self.h.unescape(title)
                 self.server.doMessage(channel, title + ' - ' + result1['unescapedUrl'])
+            else:
+                self.server.doMessage(channel, "No results for " + search + '.')