corrected the SQLGraph iterator methods and improved its code for determing column...
tree38a86caf9f7ac094b6ea4e22539a69eb2bdba013
-rw-r--r-- 55 .gitignore
-rw-r--r-- 1556 LICENSE.txt
-rw-r--r-- 2671 README.txt
drwxr-xr-x - doc
drwxr-xr-x - misc
drwxr-xr-x - pygr
-rw-r--r-- 91 setup.cfg
-rw-r--r-- 3087 setup.py
drwxr-xr-x - tests