new SQLite library in use

[fcornillie]

Since Mendeley Desktop started using SQLite 3.7.14, this script no longer works with Python versions that use a SQLite library lower than 3.7.14.

See http://support.mendeley.com/customer/en/portal/questions/722830-sqlite-database-structure-changed-

If you are a Python 2.7 user on Windows, update your SQLite library by downloading the latest DLL from sqlite.org and put it in Python27\DLLs .

[adamreeve]

Thanks, I've added a note in the README about this issue.