bit_vector

Bump the version to 0.4.1 and update CHANGELOG.md

• Fix broken example code

cardinality() method -> cardinality getter

• Add andNot, and, or and xor logical operators
• Add BitVector.from constructor that creates a new BitVector instance from the given BitVector

Bump the version to 0.3.0 and update CHANGELOG.md

• Breaking change - change get method to [] operator

Bump the version to 0.2.0

• Add isEmpty and isNotEmpty getters
• Add cardinality getter
• Override hashCode and ==

Older versions of pub don't support ^ version constraints.

• Initial version