Fix the filelist db interfaces

Fixes #19 (closed) #9 (closed)

bob/bio/spear/config/database/banca_audio_G.py

@@ -8,7 +8,7 @@ banca_wav_directory = "[YOUR_BANCA_WAV_DIRECTORY]"
 
 database = bob.bio.base.database.FileListBioDatabase(pkg_resources.resource_filename('bob.bio.spear', 'config/database/banca'),
                                                      'banca',
-                                                     biofilecls=AudioBioFile,
+                                                     bio_file_class=AudioBioFile,
                                                      protocol='G',
                                                      original_directory=banca_wav_directory,
                                                      original_extension=".wav")