Sanitize port parameter.
Sanitize port parameter.

bankonme/bitcoinjs-server,dazoe/bitcoinjs-server,dazoe/bitcoinjs-server,javascriptit/bitcoinjs-server,dazoe/bitcoinjs-server,bankonme/bitcoinjs-server,bitfloor/bitcoinjs-server,javascriptit/bitcoinjs-server,zhangweis/node-jds,bankonme/bitcoinjs-server,javascriptit/bitcoinjs-server,bitfloor/bitcoinjs-server,zhangweis/node-jds,zhangweis/node-jds