changed truncate to delete
except option added
changes of other pr reverted
afterFind event in AR is now called after relations have been populated

fixes #1993
reworked fix for #1993
removed phpdoc about nonexisting param
changelog added
changelog added
fixed test break
Merge pull request #1995 from Ragazzo/fix_for_fixture_controller

changed truncate to delete
Merge pull request #1997 from cebe/1993-fixed-ar-afterFind

afterFind event in AR is now called after relations have been populated
filter fix
Some Basic App readme updates [skip ci]
Merge pull request #1999 from lucianobaraglia/basic-app-doc-update

Some Basic App readme updates [skip ci]
Using VarDumper::dumpAsString() instead var_export() in the Request panel
Merge pull request #2001 from djagya/1783-using-VarDumper-instead-var_export

Using VarDumper::dumpAsString() instead var_export() in the Request pane...
Fixes #1998 : get input value from hidden field when necessary(unchecked checkbox/radio)
changelog
Merge pull request #2004 from klevron/1998

Fixes #1998 : get input value from hidden field when necessary
Fixes #2003: Added `filter` property to `ExistValidator` and `UniqueValidator` to support adding additional filtering conditions