Adds BI.toPaddedBuffer and toBuffer
Removes toPaddedBuffer and extends toBuffer
Merge pull request #150 from dcousens/bigitests

Adds BI.toPaddedBuffer and toBuffer
make sure createInputScript convert pubKey to buffer before writing out bytes

[fixes #156]
assertion message
Merge pull request #157 from ethers/master

assertion message
Removes applyMultisigs and adds setScriptSig
Removes type coercion for a stricter TX API
Removes convert module
Adds tests for TX.prototype.p2shsign
Renames p2shsign to signScriptSig
Adds assertions for types in signScriptSig
Renames createInputScript to createPubKeyHashScriptSig