In this release:

• Rework the headerdb generation from the ground up.
  The new implementation just build a graph of the included-by relationship between files.
• Support JSON Compilation Database arguments and output.
• Support simple quotes in JSON Compilation Database.
• Support logical paths in JSON Compilation Database.

In this release:

• fix packaging: go back to universal wheel
• Travis-CI fixes

New versioning scheme, test new packaging method.

Main change in this release is the removal of the headerdb subcommand. ;)

It has been superseded by a more opinionated update command and the concept of "complementer".
dump and find have been replaced by a single list command.

Main feature in this release is the headerdb subcommand.