index: expose API depedencies

Author: dcousens

src/index.js

@@ -1,18 +1,20 @@
 module.exports = {
   Address: require('./address'),
+  BigInteger: require('bigi'),
   bufferutils: require('./bufferutils'),
   convert: require('./convert'),
   crypto: require('./crypto'),
   ecdsa: require('./ecdsa'),
   ECKey: require('./eckey'),
   ECPubKey: require('./ecpubkey'),
   ECSignature: require('./ecsignature'),
+  ecurve: require('ecurve'),
+  HDNode: require('./hdnode'),
   Message: require('./message'),
+  networks: require('./networks'),
   opcodes: require('./opcodes'),
-  HDNode: require('./hdnode'),
   Script: require('./script'),
   scripts: require('./scripts'),
   Transaction: require('./transaction'),
-  networks: require('./networks'),
   Wallet: require('./wallet')
 }