Say length text (#165)

* typo for media bug name in azure and punctuation fix

* say: split very long text intelligently

* more fixes from testing

* update to latest synthAudio

lib/tasks/transcribe.js

@@ -173,6 +173,7 @@ class TaskTranscribe extends Task {
         ['diarization', 'GOOGLE_SPEECH_PROFANITY_FILTER']
       ].forEach((arr) => {
         if (this[arr[0]]) opts[arr[1]] = true;
+        else if (this[arr[0]] === false) opts[arr[1]] = false;
       });
       if (this.hints.length > 0) {
         opts.GOOGLE_SPEECH_HINTS = this.hints.join(',');