
Version 0.8.4	- 24 September 2001
  * Allow warning suppressions to be specified as regular expressions
  * Add -z/--no-varargsused to ignore *args for functions w/variable args
  * Add warning checks when deleting variables
  * Add check for except Error1, Error2 : # should be except (Error1, Error2) :
  * Fix spurious warning when using parameter as dict for format string
  * Fix spurious warning when using lambda in __init__
  * Add check that pychecker/checker.py is same version as other files
  * Get setup.py to work on windows, etc. if don't have /tmp

Version 0.8.3	- 12 August 2001
  * Fix internal errors when doing % on non-strings and other format problems
  * Fix spurious warning when using a constant {} with a format mapping

Version 0.8.2	- 12 August 2001
  * Check format strings even if using global & local constants
  * Add check that [].append() only takes one argument
  * Add check that # parameters are correct for builtin functions
  * Add warnings for --, ++, ~~:
  	"Operator (%s) doesn't exist, statement has no effect"
  * Add -Q/--quiet to be real quiet, only output warning msgs, nothing else
  * Add -y/--classattr config option (warning was not configurable before)
  	(warn if class attribute doesn't exist)
  * Add -x/--miximport config option (warning was not configurable before)
  	(warn if mixing: import/from ... import)
  * Add -u/--callinit config option (warning was not configurable before)
  	(warn if Subclass.__init__() not called)
  * Add constants together on stack when get + to avoid some spurious warnings
  * Fix method and attribute checks for None and Ellipsis
  * Fix spurious warnings when doing a local import and use module in lambda
  * Fix spurious warnings when object attribute has same name as class
  * Fix Object (x) has no attribute warnings for Python 2.2a1 built-in types
  * Change default behaviour to not warn about missing doc strings

Version 0.8.1	- 9 August 2001
  * Fix internal error when referencing a list constant:  [1,2,3][1]
  * Fix internal error for Python 1.5 not catching unicode syntax error
  * Fix deprecation warning for Python 2.2a1 with xrange
  * Fix spurious warning (No module attribute) when doing import x.y as y
  * Fix spurious warning (Base __init__() not called) when using *args or **kw
  * Fix 'No module attribute' warning when doing:  import foo.bar as bar
  * Spell overridden write

Version 0.8	- 6 August 2001
  * Add check for accessing list as list[1,2], should be slice 1:2
  * Add -J/maxargs to warn when using too many arguments
  * Add -K/maxlocals to warn when using too many local variables
  * Add -D/intdivide to warn when using integer division
  * Add -O/objattrs to warn when using object.attribute that doesn't exist
  * Add -M/reimportself to warn when a module imports itself
  * Add -E/unusednames to provide a list of unused names to ignore
	(default is: [ '_', 'empty', 'unused' ])
  * Major refactoring of warn.py -> utils, msgs, Warning, CodeChecks
  * Fix spurious warnings for No class attribute for dynamic classes
  * Fix spurious warnings when using objects from blacklisted modules
	(Instantiating object with arguments, but no constructor, etc)
  * Fix spurious warnings when using lambdas
  * Fix spurious warning (No global Y) when using: from X import Y
	(problem in python 1.5/1.6 only)

Version 0.7.5	- 22 July 2001
  * Suppress warnings on a per module/function/class/method basis
	with new suppressions = {} in .pycheckrc
  * Suppress warnings by setting __pychecker__ in source code
  * Change long argument behaviour --arg sets arg to true,
	--no-arg sets arg to false (also works for warning suppression)
  * Add -U/--reuseattr check if function/class/method names are reused
  * Add -T/--argsused check for unused method/function arguments
  * Add -G/--selfused ignore if self is unused in a method (requires --argsused)
  * Add -q/--stdlib to disable warnings from the standard library
  * Add -o/--override warning when a method has different signature 
	than one being overridden in a base class
  * Add -F/--rcfile to generate a .pycheckrc file
  * Fix checking files in standard library before local file
  * Fix spurious warning when using from X import Y and imports in methods
	(Module (m) re-imported)
  * Fix spurious warning when doing:  from X import Y, Z
  * Fix spurious warning when deriving from Exception() and
	instantiating object with multiple arguments
  * Fix method argument checks when calling base class methods
  * Fix error msg to base constructors (msg count was wrong)
  * Fix access to builtin module attributes (e.g., sys.exc_value)
	generating 'No attribute warnings'
  * Fix tests (forgot to add : after line number in expected results)

Version 0.7	- 16 July 2001
  * Improve import warning messages, add from checks
  * checker.py -h prints defaults after processing .pycheckrc file
  * Add config option -k/--pkgimport to disable unused imports from __init__.py
  * Add warning for variable used before being set
  * Improve format string checks/warnings
  * Check arguments to constructors
  * Check that self is first arg to base constructor
  * Add -e/--errors option to only warn about likely errors
  * Make 'self' configurable as the first argument to methods
  * Add check that there is a c'tor when instantiating an object and 
	passing arguments
  * Add config option (-N/--initreturn) to turn off warnings 
	when returning None from __init__()
  * Fix internal error with python 2.1 which defines a new op: LOAD_DEREF
  * Check in lambda functions for module/variable use
  * Fix inability to evaluate { 1: 'a' } inline,
	led to incorrect __init__() not called warnings
  * Fix exception when class overrides __special__() methods & raise exception
  * Fix check in format strings when using '%*g %*.*g', etc
  * Add check for static class attributes
  * Fix checking of module attributes
  * Fix wrong filename in 'Base class (xxx) __init__() not called'
  	when doing a from X import *
  * Fix 'No attribute found' for very dynamic classes
  	(may also work for classes that use __getattr__)

Version 0.6.1	- 27 June 2001
  * Fix bug which caused an exception from some import code
  * Fix bug in determining if there is an implicit return

Version 0.6	- 25 June 2001
  * Check format strings: "%s %s %s" % (v1, v2, v3, v4) for arg counts
  * Warn when format strings do: '%(var) %(var2)'
  * Fix Local variable (xxx) not used, when have:  "%(xxx)s" % locals()
  * Warn when local variable (xxx) doesn't exist and have: "%(xxx)s" % locals()
  * Install script in /usr/local/bin to invoke PyChecker
  * Don't produce unused global warnings when using a module in parameters
  * Don't produce unused global warnings when using a module in class variables
  * Add check when using method as an attribute (if self.method and x == y:)
  * Add check for right # of args to object construction
  * Add check for right # of args to function calls in other modules
  * Check for returning a value from __init__
  * Fix using from XX import YY ; from XX import ZZ causing re-import warning
  * Fix UNABLE TO IMPORT errors for files that don't end with a newline
  * Support for checking consistent return values -- not complete 
  	produces too many false positives

Version 0.5	- 29 May 2001
  * Catch internal errors "gracefully" and turn into a warning
  * Add checking of most module scoped code
  * Add pychecker subdir to imports to prevent filename conflicts
  * Don't produce unused local variable warning if variable name == '_'
  * Add -g/--allglobals option to report all global warnings, not just first
  * Add -V/--varlist option to selectively ignore variable not used warnings
  * Add test script and expected results
  * Print all instructions when using debug (-d/--debug)
  * Overhaul internal stack handling so we can look for more problems
  * Fix glob'ing problems (all args after glob were ignored)
  * Fix spurious Base class __init__ not called
  * Fix exception on code like:  ['xxx'].index('xxx')
  * Fix exception on code like:  func(kw=(a < b))
  * Fix line numbers for import statements

Version 0.4	- 23 April 2001
  * Add .pycheckrc file processing to specify options (like on command line)
  * Add new warning if module.Attribute doesn't exist
  * Add new warning:  Module (%s) re-imported locally
  * Add glob'ing support for windows
  * Handle apply(BaseClass.__init__(self, args))
  * Fix command line handling so you can pass module, package, or filename
  * Fix **kwArgs warning if named parameter is not first
  * Don't exit from checker when import checker from interpreter

Version 0.3	- 17 April 2001
  * Fix some checker crashes (oops)
  * Add warnings for code complexity (lines/branches/returns per function)
  * Add more configuration options
  * Don't produce spurious warning for:  x(y, { 'a': 'b' })
  * Fix warnings that indicate they are from a base class file,
    rather than real file
  * Fix warnings for **kwArgs not allowed, but using named args
  * Add configuration option for warning when using attribute as a function
  	(off by default, old behaviour was on)

Version 0.2.5	- 12 April 2001
  * Add back support for Python 1.5.2 (again)
  	(I sure like 2.0 more with the [ for ] and string methods.)
  * Add new warning for unused local variables
  * Add command line switches

Version 0.2	- 10 April 2001
  * Move tests into a sub-directory so import test doesn't import pychecker/test
  * Add more test files
  * Add '.' to the python path so it doesn't need to be done in env't
  * Print a warning at the end for each file that couldn't be import'ed
  * Improve stack handling to improve error handling
  * Try to get base class __init__ checking to work for both:
  	import X.Y
	from X import Y

Version 0.1.1	- 8 April 2001
  * Add support for Python 1.5.2

Version 0.1	- 7 April 2001
  * Initial release

