Merge pull request #137 from shekenahglory/develop

[FIX] crypt: add entropy to random words request
Adjust taker_pays_funded
Fix typo in invalid MemoData error
Merge branch 'develop' into unfunded-orders
Change how TransferRate is requested
Improve test coverage
Merge pull request #138 from ripple/unfunded-orders

Adjust taker_pays_funded
Fix requestOffers not returning an EventEmitter
Update orderbook test
Ignore offers with TakerGets of 0
Revert unfunded offer filtering
Check listeners length before removeAllListeners, fixing possible WebPack EventEmitter bug
Merge pull request #140 from ripple/unfunded-orders

Unfunded orders
Fix total account funds being emitted on offer_funds_changed rather than the amount set as taker_gets_funded
Update orderbook test
Merge pull request #142 from ripple/unfunded-orders

Unfunded orders
Convert to IOU format before comparing amounts during updateOfferFunds
Merge pull request #144 from ripple/unfunded-orders

Convert to IOU format before comparing amounts during updateOfferFunds
[FIX] Cannot use demmurage currencies in path_find

Use hex format instead of json for currencies.
Merge pull request #127 from orzFly/patch-1

[FIX] Cannot use demmurage currencies in path_find