Some minor fixes:
- Integrated address validation fix - if integrated address is used disable the payment ID field
- Re-added support for remote nodes from a json file
- Added public node for Asia - asia.kryptonchain.org:12888
To generate payment ID in the command line:
openssl rand -hex 32
The payment ID can be used when sending the transaction or it can be used to generate integrated address.
This is usually used by exchanges to identify incoming payments if for example a shared address is used.