Fix BYR subunits and add new BYN currency

• Adds new BYN Belarusian currency
• Fixes Belarusian display name misspelling
• Bumps version to 0.5.0
• Updates author info

Allow more versions of babel

Allows this package to work with versions of babel >= 2.4.0 and < 3.0

Add ability to work with subunits

• Adds from_sub_units method to create money from subunits
• Adds sub_units property to retrieve the monetary amount in subunits

v0.2.0

Add support for dividing money by money

v0.1.1

Improve installation

• Remove pytest as requirement

v0.1.0

Initial release