0.2.0

• Add Binary, LowerHex and UpperHex impls to Int, UInt and ApInt.
  Note that implementations for Octal are still missing.

0.1.0

• Removed strict casting methods in ApInt, Int and UInt.
• Add into_bitnot to ApInt, Int and UInt.
• Add division-by-zero error and managing around it for respective operations.
• Add a crate prelude module for simple usage of commonly used types.
• Fixed bug in ApInt::sign_extend and Int::extend (issue #15). Thanks AaronKutch for reporting!
• Fixed markdown headers of many public impl blocks.
• Fixed several documentation comments of public APIs, like ApInt::from_{i128, u128}.
• Fixed several minor bugs due to forwarding to wrong implementation methods.