Preparing for Reengineering

Version 1 will be based on spdx.dev, as discussed in #16

https://github.com/raimon49/pip-licenses, a good starting point.

Trim entries that could bloat the db

• #13 Reveals that all licence titles are not tidily crafted. Trying to anticipate the problem.
• Refined the admin to include only the useful tablses which are renamed to better reflect their contents
• This release introduces a new migration

Increase database character limits

• Increased the character limits to debug or fix #13 .
• This release introduces a new migration.

Handling unexpected or unforseen package behaviours

Addressing issues #8 #9 #10 , @jayvdb