Alfred Convert Versions Save

Update dependencies.

• APP_KEY for OpenExchangeRates.org no longer required for (basic) currency conversion. Closes #47

Pint requires pkg_resources but doesn't declare setuptools as a dependency.

Fixes #53

Swap copy behaviour of v3.5.2 to match Alfred's built-in calculator.

↩ copies the result without thousands separator, and ⌘C copies the result with the separator.

• ↩ copies result with thousands separator
• ⌘C copies result without thousands separator #50

CURRENCY_DECIMAL_PLACES overrides DECIMAL_PLACES for currencies #38

Add DYNAMIC_DECIMALS option. If turned on, the number of decimal places in the displayed result is increased (beyond the default DECIMAL_PLACES) until the displayed result is non-zero #38

Fix #36