Add 0.0.14 changelog

Add v0.0.13 changelog

Sync up changelog and version

mysql: Force use of mysql_native_password

MySQL 8.0 changed the default to caching_sha2_password, which seems to
be unrecognised by various clients, causing authentication failures with
both the `mysql` CLI and through PHP's MySQL modules.

Add documentation for test utils

Split mkdir into subsequent chmod

Bump version to 0.0.8

Merge project SRCFLib into srcf-python

Bump version to 0.0.6 as debpkg and master got out of sync

Relax python3-sqlalchemy dependency in the Debian package