idc.py: Fixed a number of problems uncovered by pylint
idc.py: Fixed a number of problems uncovered by pylint


git-svn-id: 66fa1fecf8be0db4b7985ec55c14546f21eabb40@90 fccdda4b-c33c-0410-84de-61e1e3e5f415

EiNSTeiN-/idapython,EiNSTeiN-/idapython,zachriggle/idapython,EiNSTeiN-/idapython,zachriggle/idapython,EiNSTeiN-/idapython,zachriggle/idapython,zachriggle/idapython