HashList.pop
AsyncHttpServer.send(String) Do not overwrite content type if already specified.
Merge branch 'master' of https://github.com/koush/AndroidAsync

# By Koushik Dutta
# Via Koushik Dutta
* 'master' of https://github.com/koush/AndroidAsync:
  HashList.pop AsyncHttpServer.send(String) Do not overwrite content type if already specified.