v1.4.0 - prevent overwrite

API addition:

• On creating an indexCore the you now can specify whether hardcoded indicator values may be used in preference to calculated values

What else has Changed

• Diverging indicators by @tomgp in #12
• Remove date object by @tomgp in #13
• Publish to npm via release triggered action by @tomgp in #14
• Indicator value override by @tomgp in #15

Full Changelog: v1.2.0...v1.4.0