Some small fixes to grumpy to allow negative node numbers

git-svn-id: https://projects.coin-or.org/svn/CoinBazaar/projects/GIMPy/GrUMPy/trunk@768 5eb3cf9a-c56f-4155-9a08-806ae8551a6d
Moving BBTree class to grumpy from gimpy

git-svn-id: https://projects.coin-or.org/svn/CoinBazaar/projects/GIMPy/GrUMPy/trunk@773 5eb3cf9a-c56f-4155-9a08-806ae8551a6d
Renaming baktree.py to grumpy.py

git-svn-id: https://projects.coin-or.org/svn/CoinBazaar/projects/GIMPy/GrUMPy/trunk@774 5eb3cf9a-c56f-4155-9a08-806ae8551a6d
Adding branch and bound to grumpy

git-svn-id: https://projects.coin-or.org/svn/CoinBazaar/projects/GIMPy/GrUMPy/trunk@775 5eb3cf9a-c56f-4155-9a08-806ae8551a6d
Change margins a bit

git-svn-id: https://projects.coin-or.org/svn/CoinBazaar/projects/GIMPy/GrUMPy/trunk@777 5eb3cf9a-c56f-4155-9a08-806ae8551a6d
Adding class for drawing 2D polyhedra

git-svn-id: https://projects.coin-or.org/svn/CoinBazaar/projects/GIMPy/GrUMPy/trunk@797 5eb3cf9a-c56f-4155-9a08-806ae8551a6d
Adding pseudocost branching and best estimate search

git-svn-id: https://projects.coin-or.org/svn/CoinBazaar/projects/GIMPy/GrUMPy/trunk@798 5eb3cf9a-c56f-4155-9a08-806ae8551a6d
Bug in search strategy

git-svn-id: https://projects.coin-or.org/svn/CoinBazaar/projects/GIMPy/GrUMPy/trunk@799 5eb3cf9a-c56f-4155-9a08-806ae8551a6d
Pruning nodes immediately

git-svn-id: https://projects.coin-or.org/svn/CoinBazaar/projects/GIMPy/GrUMPy/trunk@800 5eb3cf9a-c56f-4155-9a08-806ae8551a6d
Fixing a few bugs

git-svn-id: https://projects.coin-or.org/svn/CoinBazaar/projects/GIMPy/GrUMPy/trunk@801 5eb3cf9a-c56f-4155-9a08-806ae8551a6d
Cannot start a class name with a number

git-svn-id: https://projects.coin-or.org/svn/CoinBazaar/projects/GIMPy/GrUMPy/trunk@806 5eb3cf9a-c56f-4155-9a08-806ae8551a6d
oops

git-svn-id: https://projects.coin-or.org/svn/CoinBazaar/projects/GIMPy/GrUMPy/trunk@807 5eb3cf9a-c56f-4155-9a08-806ae8551a6d
Changing filename to match class name

git-svn-id: https://projects.coin-or.org/svn/CoinBazaar/projects/GIMPy/GrUMPy/trunk@808 5eb3cf9a-c56f-4155-9a08-806ae8551a6d
Compatibility with Python 2.6

git-svn-id: https://projects.coin-or.org/svn/CoinBazaar/projects/GIMPy/GrUMPy/trunk@819 5eb3cf9a-c56f-4155-9a08-806ae8551a6d
Adding directory for examples

git-svn-id: https://projects.coin-or.org/svn/CoinBazaar/projects/GIMPy/GrUMPy/trunk@820 5eb3cf9a-c56f-4155-9a08-806ae8551a6d
Adding Gomory example

git-svn-id: https://projects.coin-or.org/svn/CoinBazaar/projects/GIMPy/GrUMPy/trunk@821 5eb3cf9a-c56f-4155-9a08-806ae8551a6d
Moving things around

git-svn-id: https://projects.coin-or.org/svn/CoinBazaar/projects/GIMPy/GrUMPy/trunk@822 5eb3cf9a-c56f-4155-9a08-806ae8551a6d
Moving things around

git-svn-id: https://projects.coin-or.org/svn/CoinBazaar/projects/GIMPy/GrUMPy/trunk@823 5eb3cf9a-c56f-4155-9a08-806ae8551a6d
Making grumpy a package

git-svn-id: https://projects.coin-or.org/svn/CoinBazaar/projects/GIMPy/GrUMPy/trunk@824 5eb3cf9a-c56f-4155-9a08-806ae8551a6d
Mking new branch


git-svn-id: https://projects.coin-or.org/svn/CoinBazaar/projects/GIMPy/GrUMPy/branches/reimplementation@846 5eb3cf9a-c56f-4155-9a08-806ae8551a6d