Improved file handling
Improved file handling

 * Close opened files after reading content. Without this, the
   application will run out of open file descriptors for many files.
 * Don't print "Error opening file" if we had problems reading the file.

codehs/pep257,jbeezley/pep257,Nurdok/pep257,jayvdb/pep257,farmersez/pydocstyle,13steinj/pep257,bartvm/pep257,jmullan/pep257,GreenSteam/pep257,bagelbits/pep257,tescalada/pydocstyle,pombredanne/pep257,Nurdok/pydocstyle,PyCQA/pydocstyle,glennmatthews/pep257