Revision history for Perl extension DBIx::DataModel.

  - minor fix in, don't delete a hash key from an each() loop
  - Schema() : added options tableParent and viewParent
  - select() : added option -resultAs => 'firstrow'

v0.32 21.08.2007
  - minor adaptation for perl 5.9 (because strict 'refs' is stricter!)

v0.31 30.05.2007
  - additional parameter in handlers called by autoUpdateColumns

v0.30 29.03.2007
  - fixed bug in Schema::dbh

v0.29 14.03.2007
  - AutoUpdateColumns was not called on insert -- fixed
  - added AutoInsertColumns()
  - added "longColumn|alias" syntax for -columns

v0.28 12.12.2006 CPAN release
  - fixed bug in _rawInsert (was unblessing $self in case of exceptions)

v0.27 14.11.2006
  - added Table::componentRoles()
  - primKey returns column names (class method) or values (instance method)
  - restructured insert(), added _singleInsert and _rawInsert

v0.26 12.11.2006
  - default values for column names in Associations
  - primKey returns list or scalar depending on wantarray
  - added optional arguments to Schema->dbh() 
  - fixed arguments to last_insert_id
  - consistency checks on Compositions

v0.25 09.11.2006
  - more liberal parsing of multiplicities

v0.24 08.11.2006
  - insert() returns list or scalar depending on wantarray

v0.23 07.11.2006
  - added Composition() and cascaded insert/delete
  - added support for prefixes +/- for -orderBy

v0.22 14.09.2006
  - added option -postSQL to select()
  - option to support old-style Makefile.PL
  - ViewFromRoles creates views in $schema::View namespace

v0.21 CPAN release 06.09.2006
  - check args for ViewFromRoles
  - check -resultAs value
  - fixed SKIP numbers in tests (when DBD::Mock is not installed)
  - fixed requires and recommends in

v0.20 CPAN release 27.05.2006
v0.18, v0.19 - internal releases, major rewrite:
  - reshuffled the inheritance tree
  - restructured the documentation
  - selectFromRoles() accepts roles from any table in the stack
  - added many-to-many Associations
  - added MethodFromRole()
  - added -distinct, -groupBy and -having clauses
  - insert() returns DBI->last_insert_id()

  - Minor fixes in documentation
  - SqlDialect() is deprecated (replaced by arg in Schema() method)

v0.16 CPAN release 26.01.2006
  - Associations now install an "insert_into_..." method
  - ViewFromRoles can take explicit join kinds (_INNER_|_LEFT_)
  - Schema->dbh(..) checks that RaiseError is true
  - term 'arity' replaced by 'multiplicity' in doc and code
  - Association() checks that multiplicities are not many to many
  - fixed internal hyperlinks in POD documentation

v0.15 internal release
  - added Schema methods 'classes' and 'views'
  - debug method now also prints the bind values

v0.14 CPAN release 28.11.2005
  - added clause "-for (readonly | update)" to select() and
    added method "selectImplicitlyFor"
  - doTransaction starts with $dbh->begin_work
  - role methods reuse cached results from "expand"
  - added method Autoload(1|0)

v0.13 internal release
  - Added doTransaction
  - Added Schema->lasth;

  - Added the named arguments API to select()
  - new methods preselectWhere() and selectFromRoles()
  - new internal functions _parseSelectArgs() and _addSelectCriteria
  - rewrote implentation of Association role methods using these new functions
  - new method SqlDialect	
v0.11 internal release
  - Updated the doc, explaining about writing role methods by hand
  - Added a check in fetch() that we are in a Table class
  - Changed implementation of ViewFromRoles, using INNER JOIN

v0.10 16.09.2005 First CPAN release,