Modified test memory leak test to accept a margin of 4096 bytes when calculating the memory difference between step 2 and step 1.
Modified test memory leak test to accept a margin of 4096 bytes when calculating the memory difference between step 2 and step 1.

Bumped up the number of loops from 250 to 1000.

Also added a gc.collect() line for step 2 which was missing.

git-svn-id: 9f18dd852162ff6c59c5533c0914e9cf81af9e7c@315 d8a29897-7e4b-0410-a74a-8bb4c295346f

elventear/psutil,elventear/psutil