Add inquisition importer tool.

Will be used in admins and system CLI scripts.
Fix typo.
Fix typo.
Fix type hinting, set application context.
Fix bad syntax and typos.
Fix variable reference.
Don't crash php by defining a file proeprty on exception.
Create a special file parser for inquisition CSV files.

It can track file lines separately from CSV rows so we can show more
helpful error messages.
When getting next line, also parse it so eof() call is correct.
Merge pull request #8 from gauthierm/inquisition-importer

Add inquisition importer tool.