=== 0.2.0 / 2011-01-18

* switch API documentation to YARD instead of RDOC
* add Ruby classes for all PKCS#11 structures
* add CopyObject
* add Get/SetOperationState
* use distinct Exception classes for different error codes
* PKCS#11 function calls don't block other ruby threads any more (only Ruby 1.9, Rubinius)
* don't wrap mechanisms any more (GetMechanismList returns plain Integers now)
* choose structs as mechanism parameter based on the given mechanism
* autogenerate many constants from C header files
* finer graded control over library loading
* several bug fixes
* more unit tests
* more documentation


=== 0.1.0 / 2010-05-03

* first rubygem version
* Most functions and operations of PKCS#11 v2.2 are implemented.
* The library is based on the work of Ryosuke Kutsuna and GOTOU Yuuzou, but extended in the following ways:
  - running on Unix and Windows OS
  - downloadable as rubygem in source and win32 binary version
  - new API, it's more ruby-like and well documented
  - most functions are unit tested with help of softokn library