incorrect python bindings when python2.4-dev and python2.5-dev are present

python: 2.4 and 2.5 installed. 2.4-dev and 2.5-dev
SConstruct needs to be modified

workaround: remove python2.4-dev package

Here is the log of python unittests:

ptools/Tests$ python unittest1.py
.EEE.E.EE..EE.EE
======================================================================
ERROR: testTranslation1 (__main__.TestBasicMoves)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "unittest1.py", line 82, in testTranslation1
    CoM1 = self.rigid1.FindCenter()
ArgumentError: Python argument types in
    Rigidbody.FindCenter(Rigidbody)
did not match C++ signature:
    FindCenter(PTools::Rigidbody {lvalue})

======================================================================
ERROR: testTranslation2 (__main__.TestBasicMoves)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "unittest1.py", line 93, in testTranslation2
    self.rigid2.Translate(vec1+vec2)
SystemError: NULL result without error in PyObject_Call

======================================================================
ERROR: testMinusOperator (__main__.TestCoord3D)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "unittest1.py", line 18, in testMinusOperator
    coo3 = self.coo1 - self.coo2
SystemError: NULL result without error in PyObject_Call

======================================================================
ERROR: testPlusOperator (__main__.TestCoord3D)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "unittest1.py", line 13, in testPlusOperator
    coo3 = self.coo1 + self.coo2
SystemError: NULL result without error in PyObject_Call

======================================================================
ERROR: testGetAtom (__main__.TestCoordsArray)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "unittest1.py", line 115, in testGetAtom
    self.assertTrue( Norm2(c1 - Coord3D(3.0, 4.0, 5.0))<1e-6 )
SystemError: NULL result without error in PyObject_Call

======================================================================
ERROR: brief explanation:
----------------------------------------------------------------------
Traceback (most recent call last):
  File "unittest1.py", line 137, in testSetCoords
    self.assertTrue(Norm2(co-co2)<1.0e-6)
SystemError: NULL result without error in PyObject_Call

======================================================================
ERROR: testCopy (__main__.TestRigidbody)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "unittest1.py", line 35, in testCopy
    self.assertEqual(self.r.FindCenter(), s.FindCenter())
ArgumentError: Python argument types in
    Rigidbody.FindCenter(Rigidbody)
did not match C++ signature:
    FindCenter(PTools::Rigidbody {lvalue})

======================================================================
ERROR: testSetAtom (__main__.TestRigidbody)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "unittest1.py", line 39, in testSetAtom
    atom = self.r.CopyAtom(3)
ArgumentError: Python argument types in
    Rigidbody.CopyAtom(Rigidbody, int)
did not match C++ signature:
    CopyAtom(Rigidbody_wrapper {lvalue}, unsigned int i)
    CopyAtom(PTools::Rigidbody {lvalue}, unsigned int i)

======================================================================
ERROR: in principle GetCoords(i,co) and unsafeGetCoords(i,co) should
----------------------------------------------------------------------
Traceback (most recent call last):
  File "unittest1.py", line 64, in testUnsafeGetCoords
    co1 = self.r.GetCoords(i)
ArgumentError: Python argument types in
    Rigidbody.GetCoords(Rigidbody, int)
did not match C++ signature:
    GetCoords(PTools::Rigidbody {lvalue}, unsigned int i)

======================================================================
ERROR: testTransRot (__main__.TestSuperposition)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "unittest1.py", line 161, in testTransRot
    sup = superpose(self.prot1,prot2) # superpose(reference, mobile)
ArgumentError: Python argument types in
    _ptools.superpose(Rigidbody, Rigidbody)
did not match C++ signature:
    superpose(PTools::Rigidbody ref, PTools::Rigidbody mob, int verbosity=0)

----------------------------------------------------------------------
Ran 16 tests in 0.129s

FAILED (errors=10)