diff --git a/pylint.conf b/pylint.conf
new file mode 100644
index 0000000000..3eec91c1ce
--- /dev/null
+++ b/pylint.conf
@@ -0,0 +1,602 @@
+# lint Python modules using external checkers.
+
+# 
+
+# This is the main checker controling the other ones and the reports
+
+# generation. It is itself both a raw checker and an astng checker in order
+
+# to:
+
+# * handle message activation / deactivation at the module level
+
+# * handle some basic but necessary stats'data (number of classes, methods...)
+
+# 
+
+[MASTER]
+
+
+
+# Specify a configuration file.
+
+#rcfile=
+
+
+
+# Profiled execution.
+
+profile=no
+
+
+
+# Add <file or directory> to the black list. It should be a base name, not a
+
+# path. You may set this option multiple times.
+
+ignore=CVS
+
+
+
+# Pickle collected data for later comparisons.
+
+persistent=yes
+
+
+
+# Set the cache size for astng objects.
+
+cache-size=500
+
+
+
+# List of plugins (as comma separated values of python modules names) to load,
+
+# usually to register additional checkers.
+
+load-plugins=
+
+
+
+
+
+[MESSAGES CONTROL]
+
+
+
+# Enable only checker(s) with the given id(s). This option conflict with the
+
+# disable-checker option
+
+#enable-checker=
+
+
+
+# Enable all checker(s) except those with the given id(s). This option conflict
+
+# with the disable-checker option
+
+#disable-checker=
+
+
+
+# Enable all messages in the listed categories.
+
+#enable-msg-cat=
+
+
+
+# Disable all messages in the listed categories.
+
+#disable-msg-cat=
+
+
+
+# Enable the message(s) with the given id(s).
+
+#enable-msg=
+
+
+
+# Disable the message(s) with the given id(s).
+
+#disable-msg=
+
+
+
+
+
+[REPORTS]
+
+
+
+# set the output format. Available formats are text, parseable, colorized and
+
+# html
+
+output-format=colorized
+
+
+
+# Include message's id in output
+
+include-ids=no
+
+
+
+# Put messages in a separate file for each module / package specified on the
+
+# command line instead of printing them on stdout. Reports (if any) will be
+
+# written in a file name "pylint_global.[txt|html]".
+
+files-output=no
+
+
+
+# Tells wether to display a full report or only the messages
+
+reports=yes
+
+
+
+# Python expression which should return a note less than 10 (10 is the highest
+
+# note).You have access to the variables errors warning, statement which
+
+# respectivly contain the number of errors / warnings messages and the total
+
+# number of statements analyzed. This is used by the global evaluation report
+
+# (R0004).
+
+evaluation=10.0 - ((float(5 * error + warning + refactor + convention) / statement) * 10)
+
+
+
+# Add a comment according to your evaluation note. This is used by the global
+
+# evaluation report (R0004).
+
+comment=no
+
+
+
+# Enable the report(s) with the given id(s).
+
+#enable-report=
+
+
+
+# Disable the report(s) with the given id(s).
+
+#disable-report=
+
+
+
+
+
+# checks for
+
+# * unused variables / imports
+
+# * undefined variables
+
+# * redefinition of variable from builtins or from an outer scope
+
+# * use of variable before assigment
+
+# 
+
+[VARIABLES]
+
+
+
+# Tells wether we should check for unused import in __init__ files.
+
+init-import=no
+
+
+
+# A regular expression matching names used for dummy variables (i.e. not used).
+
+dummy-variables-rgx=_|dummy
+
+
+
+# List of additional names supposed to be defined in builtins. Remember that
+
+# you should avoid to define new builtins when possible.
+
+additional-builtins=
+
+
+
+
+
+# try to find bugs in the code using type inference
+
+# 
+
+[TYPECHECK]
+
+
+
+# Tells wether missing members accessed in mixin class should be ignored. A
+
+# mixin class is detected if its name ends with "mixin" (case insensitive).
+
+ignore-mixin-members=yes
+
+
+
+# When zope mode is activated, consider the acquired-members option to ignore
+
+# access to some undefined attributes.
+
+zope=no
+
+
+
+# List of members which are usually get through zope's acquisition mecanism and
+
+# so shouldn't trigger E0201 when accessed (need zope=yes to be considered).
+
+acquired-members=REQUEST,acl_users,aq_parent
+
+
+
+
+
+# checks for :
+
+# * doc strings
+
+# * modules / classes / functions / methods / arguments / variables name
+
+# * number of arguments, local variables, branchs, returns and statements in
+
+# functions, methods
+
+# * required module attributes
+
+# * dangerous default values as arguments
+
+# * redefinition of function / method / class
+
+# * uses of the global statement
+
+# 
+
+[BASIC]
+
+
+
+# Required attributes for module, separated by a comma
+
+required-attributes=
+
+
+
+# Regular expression which should only match functions or classes name which do
+
+# not require a docstring
+
+no-docstring-rgx=__.*__
+
+
+
+# Regular expression which should only match correct module names
+
+module-rgx=(([a-z_][a-z0-9_]*)|([A-Z][a-zA-Z0-9]+))$
+
+
+
+# Regular expression which should only match correct module level names
+
+const-rgx=(([A-Z_][A-Z1-9_]*)|(__.*__))$
+
+
+
+# Regular expression which should only match correct class names
+
+class-rgx=[A-Z_][a-zA-Z0-9]+$
+
+
+
+# Regular expression which should only match correct function names
+
+function-rgx=[a-z_][a-z0-9_]{2,30}$
+
+
+
+# Regular expression which should only match correct method names
+
+method-rgx=[a-z_][a-z0-9_]{2,30}$
+
+
+
+# Regular expression which should only match correct instance attribute names
+
+attr-rgx=[a-z_][a-z0-9_]{2,30}$
+
+
+
+# Regular expression which should only match correct argument names
+
+argument-rgx=[a-z_][a-z0-9_]{2,30}$
+
+
+
+# Regular expression which should only match correct variable names
+
+variable-rgx=[a-z_][a-z0-9_]{2,30}$
+
+
+
+# Regular expression which should only match correct list comprehension /
+
+# generator expression variable names
+
+inlinevar-rgx=[A-Za-z_][A-Za-z0-9_]*$
+
+
+
+# Good variable names which should always be accepted, separated by a comma
+
+good-names=i,j,k,ex,Run,_
+
+
+
+# Bad variable names which should always be refused, separated by a comma
+
+bad-names=foo,bar,baz,toto,tutu,tata
+
+
+
+# List of builtins function names that should not be used, separated by a comma
+
+bad-functions=map,filter,apply,input
+
+
+
+
+
+# checks for sign of poor/misdesign:
+
+# * number of methods, attributes, local variables...
+
+# * size, complexity of functions, methods
+
+# 
+
+[DESIGN]
+
+
+
+# Maximum number of arguments for function / method
+
+max-args=5
+
+
+
+# Maximum number of locals for function / method body
+
+max-locals=15
+
+
+
+# Maximum number of return / yield for function / method body
+
+max-returns=6
+
+
+
+# Maximum number of branch for function / method body
+
+max-branchs=12
+
+
+
+# Maximum number of statements in function / method body
+
+max-statements=50
+
+
+
+# Maximum number of parents for a class (see R0901).
+
+max-parents=7
+
+
+
+# Maximum number of attributes for a class (see R0902).
+
+max-attributes=7
+
+
+
+# Minimum number of public methods for a class (see R0903).
+
+min-public-methods=2
+
+
+
+# Maximum number of public methods for a class (see R0904).
+
+max-public-methods=20
+
+
+
+
+
+# checks for
+
+# * external modules dependencies
+
+# * relative / wildcard imports
+
+# * cyclic imports
+
+# * uses of deprecated modules
+
+# 
+
+[IMPORTS]
+
+
+
+# Deprecated modules which should not be used, separated by a comma
+
+deprecated-modules=regsub,string,TERMIOS,Bastion,rexec
+
+
+
+# Create a graph of every (i.e. internal and external) dependencies in the
+
+# given file (report R0402 must not be disabled)
+
+import-graph=
+
+
+
+# Create a graph of external dependencies in the given file (report R0402 must
+
+# not be disabled)
+
+ext-import-graph=
+
+
+
+# Create a graph of internal dependencies in the given file (report R0402 must
+
+# not be disabled)
+
+int-import-graph=
+
+
+
+
+
+# checks for :
+
+# * methods without self as first argument
+
+# * overridden methods signature
+
+# * access only to existant members via self
+
+# * attributes not defined in the __init__ method
+
+# * supported interfaces implementation
+
+# * unreachable code
+
+# 
+
+[CLASSES]
+
+
+
+# List of interface methods to ignore, separated by a comma. This is used for
+
+# instance to not check methods defines in Zope's Interface base class.
+
+ignore-iface-methods=isImplementedBy,deferred,extends,names,namesAndDescriptions,queryDescriptionFor,getBases,getDescriptionFor,getDoc,getName,getTaggedValue,getTaggedValueTags,isEqualOrExtendedBy,setTaggedValue,isImplementedByInstancesOf,adaptWith,is_implemented_by
+
+
+
+# List of method names used to declare (i.e. assign) instance attributes.
+
+defining-attr-methods=__init__,__new__,setUp
+
+
+
+
+
+# checks for similarities and duplicated code. This computation may be
+
+# memory / CPU intensive, so you should disable it if you experiments some
+
+# problems.
+
+# 
+
+[SIMILARITIES]
+
+
+
+# Minimum lines number of a similarity.
+
+min-similarity-lines=4
+
+
+
+# Ignore comments when computing similarities.
+
+ignore-comments=yes
+
+
+
+# Ignore docstrings when computing similarities.
+
+ignore-docstrings=yes
+
+
+
+
+
+# checks for:
+
+# * warning notes in the code like FIXME, XXX
+
+# * PEP 263: source code with non ascii character but no encoding declaration
+
+# 
+
+[MISCELLANEOUS]
+
+
+
+# List of note tags to take in consideration, separated by a comma.
+
+notes=FIXME,XXX,TODO
+
+
+
+
+
+# checks for :
+
+# * unauthorized constructions
+
+# * strict indentation
+
+# * line length
+
+# * use of <> instead of !=
+
+# 
+
+[FORMAT]
+
+
+
+# Maximum number of characters on a single line.
+
+max-line-length=80
+
+
+
+# Maximum number of lines in a module
+
+max-module-lines=1000
+
+
+
+# String used as indentation unit. This is usually " " (4 spaces) or "\t" (1
+
+# tab).
+
+indent-string='    '
+
diff --git a/setup.py b/setup.py
index 2956a7ec24..9a7214467b 100644
--- a/setup.py
+++ b/setup.py
@@ -88,3 +88,6 @@ try:
   import PyQt4
 except ImportError:
   print "You do not have PyQt4 installed. The GUI will not work. You can obtain PyQt4 from http://www.riverbankcomputing.co.uk/pyqt/download.php"
+else:
+  if PyQt4.Qt.PYQT_VERSION < 0x40101:
+    print "WARNING: The GUI needs PyQt >= 4.1.1"