Bump version to v0.1.5

Bump version to v0.1.4

Bump version to v0.1.3

Include LICENSE in published crate

Resolves #3

Update to Unicode 13

Fix break_property panicking on large code points

The page index table does not contain entries for every code point,
however they should default to the `XX` line break class.

Add LICENSE

Use the Apache License for the library.