Rc3

New - keyring history & --list option added
New - ability to extract to keyring
New - ability to decode JWT from keyring
New - ability to store helper functions to keyring
Fix - edge case error clean-up & better code coverage in tests

Fix - explicit sort for listed items & number based selection
New - lookup env var in keyring, if not found in standard env

Fix - allow null values in ENVS
New - keyring command for managing secrets in OS keyring
New - keyring helper function for reading secrets from OS keyring
New - keyring_prompt helper function for reading/writing secrets from/to OS keyring

Fix - upgrade command skip .git directory

Fix - global --edit option not saving
Fix - Don't overwrite header with default if explicitly defined in the .request
New - helper functions can be used in handlebar expressions instead of env vars
New - pkce helper function to generate code_verifier & code_challenge
New - uuid helper function to generate UUID
New - prompt helper function to prompt user for input
New - secure_prompt helper function to prompt user for masked input
New - file helper function to inject --file contents into a request body/template
New - allow an array or string to be posted as a JSON request body
New - send --file option to send file contents as request body
New - send multiple requests in sequence; e.g. (rc send 1 2 3)
New - decode command to decode/display JWTs in your rc envs
New - upgrade command to upgrade schemas & files in your collection

BREAKING CHANGES (new schema required):
New - allow multiple "extracts" per request
New - allow extracting "from" response body, or verbose .response
New - allow extracting "to" current env, global env, stdout, or .response file

Fix - global --edit option not saving
Fix - Don't overwrite header with default if explicitly defined in the .request
New - helper functions can be used in handlebar expressions instead of env vars
New - pkce helper function to generate code_verifier & code_challenge
New - uuid helper function to generate UUID
New - prompt helper function to prompt user for input
New - file helper function to inject --file contents into a request body/template
New - allow an array or string to be posted as a JSON request body
New - send --file option to send file contents as request body
New - send multiple requests in sequence; e.g. (rc send 1 2 3)
New - decode command to inspect HEADER & CLAIMS for a JWT

BREAKING CHANGES:
New - allow multiple "extracts" per request & allow extracting to/from additional locations