Release 1.5.1

Allow HD wallets to be created with seed extension.
Sort wallet accounts based on path (for HD wallets) or name (for non-HD wallets).

Release 1.5.0

Major update:

• Use updated Herumi library;
• Use github workflow to generate release binaries;
• Standardise parameter access with environment variables.
• Follow latest spec for HD seed to master key.

Release v1.5.0-beta3

Update workflow.