fixed issues with testnet and createTx
custom changeAddress for wallet.createTx()
added tests for createTx testnet and createTx custom changeAddress
custom changeAddress has full integration test
integration tests for scripthash transcations
Enforces bytesToWordArray only operates on byte arrays
Fixes exception typo
Fix address prefixes, add dogecoin/litecoin BIP32 versions
Merge pull request #164 from coinpunk/altcoinnetwork

Fix address prefixes, add dogecoin/litecoin BIP32 versions
Merge pull request #163 from dcousens/wordass

Enforces convert.wordsToBytes to only allow for byte input
upgrade bigi & remove monkey patching
Remove Number.isFinite check on tx input index
Merge pull request #166 from bitcoinjs/remove-isfinite-check

Remove Number.isFinite check on tx input index
Merge pull request #165 from bitcoinjs/bigi-monkey-patching-no-more

Upgrade bigi & remove monkey patching
Variables names made consistent with constructor
Removes unnecessary new Buffer
Fixes #167 and adds temporary test
Merge pull request #168 from dcousens/167fix

Fixes #167
Stretches test for derive m/0 from xpub
Merge pull request #162 from sidazhang/master

Adding integration tests