Version 2.1.0

Key changes:

• Ruby 2.4 support.
• Annotations removed from Object, added to RDL::Annotate.
• Annotations also accessible via RDL module and RDL::RDLAnnotate
  modules; see README.
• o.type_cast(t) now must be written RDL.type_cast(o, t) and
  similarly with instantiate! and deinstantiate!.

Version 2.0.1

Bugfix version.

Static type checking release

First version with static type checking.

rdl_query support

New: rdl_query for looking up type information.

Initial release

First full release of RDL.

First release candidate

Release candidate