version 2.2.0.4 (1999/10/12)
- The class CORBA_TYPECODE is now an abstract class with concrete
  descendants STRUCT_TYPECODE, etc. This leads to a clearer structure
  that supports polymorphism better.
- Fixed bugs in the scheduler. This improves performance somewhat.
- Fixed bugs in the giop and the boa to achieve better interoperability.
- Default debug level changed to Log_warning (4).
- Added some more debugging facilities.
version 2.2.0.3 (1999/08/12)
- reorganisation of configure parameters (s. chapter 2 in the manual).
- Major reworking of the Eiffel mapping and adaptation of mico/E to
  conform to the reworked mapping.
- Numerous bug fixes. In particular: the General Inter-ORB Protocol
  (GIOP) requires the accessor methods for an attribute `attr' in an
  interface to be called `_get_attr' and `_set_attr' "on the wire".
  In previous releases this was not the case; it has been fixed.
- idl2eif has two new options: --no-stubs and --no-servants.
- A new demo pmobv (Poor Man's Object-By-Value) that illustrates how
  to achieve something like object-by-value with mico/E and a little
  extra work.
- A new demo user_exceptions that illustrates the use of user-defined
  exceptions under mico/E.
- all classes adapted to the new creation syntax: create x instead of !!x.
- further convergence of our IDL/Eiffel mapping toward that of
  Howard/Meyer/Nash.
- The logging facility "MICO_DEBUGGER" has been replaced by the
  more efficient class "LOGGER".
version 2.2.0.2 (1999/06/12)
- bug fixed in admin/Makefile
- micorc bug fixed
- build_ace tool added (s. admin/README_build_ace)
- idl2eif modified to use the inheritance model rather
  than the delegation model (s. section 4.14 in the manual).
- idl2eif now generates prototype classes for each interface
  declared in an IDL specification. The application programmer
  only needs to fill in the bodies of the routines in these
  prototypes to get the required implementation classes.
- In all classes in "orb/type" the routine `create' was renamed
  `create_object' to avoid conflict with a new keyword "create"
  in ISE Eiffel 4.3. (Thanks to Greg Lee for pointing this out)
- idl2eif now generates a class FOO_HELPER for each project,
  where "foo.idl" is the file containing the IDL specification.
  This class has a function
  Bar_narrow (o : OBJECT) : BAR_STUB
  for each interface Bar declared in "foo.idl". This function can
  be used for converting an object reference into a stub of the
  appropriate type (see the demos for examples of its use). A class
  NARROW_HELPER is no longer generated.
- In addtion the constants class of global scope is now called
  FOO_CONSTANTS if the IDL specification is "foo.idl".
  This is to avoid name conflicts in applications
  that use definitions taken from more than one IDL specification.
- The helper classes for sequences have two new features:
  declared_length : INTEGER
  current_length  : INTEGER
  For bounded sequences these return the same value; for unbounded
  sequences the first returns 0 while the second returns the highest
  index at which a value has been stored (this is the highest index
  that can be accessed without incurring an exception).
- The helper classes for structs have two creation procedures:
  make (...)
  make_default
  The first of these accepts as arguments initialization values for
  each member of the struct. The second takes no arguments and does
  nothing; this means that the members of a newly created struct are
  initialized with default values.
version 2.2.0.1 (1999/04/12)
- initial release