Bump package version to 0.8.13
Bump package version to 0.8.13

Fi3/bitcore-p2p-1,bitpay/bitcore,bitpay/bitcore,mappum/bitcore-p2p-browserify,martindale/bitcore,studio666/bitcore-p2p,martindale/bitcore,braydonf/bitcore-p2p,bitjson/bitcore,bitjson/bitcore,eordano/bitcore-p2p,martindale/bitcore,bitpay/bitcore-p2p,bitpay/bitcore,olalonde/bitcore-p2p,bitjson/bitcore,martindale/bitcore,eXcomm/bitcore-p2p,bankonme/bitcore-p2p,pnagurny/bitcore-p2p,bitpay/bitcore,braydonf/bitcore-protocol,bitjson/bitcore