Add latest changes to CHANGELOG
* Add -1,-2,-3,...-9 to tune the compression. The default is -9, but on
massive archives, this is really slow, so you can pass a lower number
to speed up archive creation.
+ * on-error has finally been implemented. This allows fwup.conf files to
+ specify cleanup code should something go wrong. Cleanup is performed
+ best effort and fwup still returns an error on exit.
* Bug fixes
* When streaming, the input would always be read through to the end. This
meant that errors could take a long time to be reported and that was
annoying at best.
+ * FAT filesystem corruption wouldn't cause many of the fat_* commands to
+ fail. They do now and unit tests have been added to verify this going
+ forward.
## v0.13.0
