Fix typo in codegen.py

Fix link in the changelog file

Set version number to v0.9.2

Remove Python 3.7 from Travis

Add Python 3.7 to Travis

Fix code generator to output the table correctly

Cosmetic change in the CRC model code

Fix typo: Esplicitly --> Explicitly

Ensure the data is aligned when using slice-by

Fix Travis tests

Set version number to v0.9.1

Update documentation

Add error about possibly unsuitable polynomials

Move the main function to a separate main.py file

Fix issues with Python 2.6