Defichain

Improvements

Adding new ocean methods

> address: getAccountHistory
> poolpair: listDexPrices
> rawTx: get
> stats: getRewardDistribution


[The Code base to this release](https://github.com/eric-volz/DefichainPython/tree/4080e82cf59ff9bf85d374bc0478a63929f1342b)

Improvements
- fixing an dependency error with windows

[The Code base to this release](https://github.com/eric-volz/DefichainPython/tree/94c8021cd45691578cb8c5c72631648012d53256)

Improvements
- finished documentation for ocean API
- integration of HDWallet

[The Code base of this release](https://github.com/eric-volz/DefichainPython/tree/ef2b00ebed4709325d25b7a1cd6b6a0b4f338de2)

Improvements

In this release all new features of Node version 2.11.0 are implemented.

Adding new method: paybackwithcollateral

[The Code base of this release](https://github.com/eric-volz/DefichainPython/tree/cc865d804a91a339d59e37555e9cf1c9c6742c76)

Improvements

In this release all new features of Node version 2.9.1 are implemented.

[The Code base of this release](https://github.com/eric-volz/DefichainPython/tree/06e9d510a46952ac40016b9858747d178c04560a)

Improvements
This release contains a bugfix: an error was thrown if the connection to the node was not found fast enough. This is now fixed, the software checks the connection three times before throwing an error.

[The Code base of this release](https://github.com/eric-volz/DefichainPython/tree/0d38f0b45aea05d5028c29d79ed956a613b5c7e7)