v0.5.0 - alpha

This introduces a completely refactored fat-cli.

• Much much better CLI parsing and error reporting. It is much easier to identify what flag is incorrect.
• Comprehensive help output. This includes some background information about FAT chains to help provide context to new users.
• CLI completion for all FA and EC addresses, if factom-walletd is available.
• CLI completion for Chain IDs if fatd is available.
• Full support for interchangeable use of public and private FCT or EC keys in cli args. (If you supply a public address factom-walletd is queried for the private address).
• Offline mode: Using both the --force and --curl commands as well as using only private addresses on the CLI will cause fat-cli to not make any network calls when composing and singing the Factom entry. Instead the curl command required to commit and reveal the entry to factomd are printed out. This is akin to how the factom-identity-cli works offline.
• Attach metadata to transactions and initialization.
• A clearer token issuance process. Two distinct commands are used for chain creation and token initialization entry creation.
• A flexible way to query balances for FAT-0 and FAT-1 chains.
• Ability to list all issued token data from fatd
• Ability to list transactions, paginate, and filter by address (to or from), or nf token id.