Update DBUtil.py

To pass, "," and hexadecimal values. 

X==(33336,) <type 'exceptions.ValueError'>
X==(314610,) <type 'exceptions.ValueError'>
X==(69324,) <type 'exceptions.ValueError'>
X==(224,) <type 'exceptions.ValueError'>
X==(E3D926) <type 'exceptions.ValueError'>
X==(E3D92) <type 'exceptions.ValueError'>
X==(E3D9) <type 'exceptions.ValueError'>
X==(E3D) <type 'exceptions.ValueError'>
X==(E3) <type 'exceptions.ValueError'>
X==(E) <type 'exceptions.ValueError'>
Merge pull request #116 from avasisht/patch-1

Update DBUtil.py