* morituri/common/checksum.py: * morituri/image/image.py: * morituri/test/test_image_image.py: Change crc to checksum everywhere.
* morituri/image/toc.py: * morituri/common/checksum.py (added): * morituri/common/crc.py (deleted): Rename crc to checksum, because AccurateRip checksums are not CRC's.