* Update FBInk to v1.20.1
* Minor tweaks to SQL error logging to make it slightly less confusing & redundant.
* Minor OCP tooling tweaks.
  * Deal with latest KOReader packages properly.
  * Minor install script tweaks & cleanups.
  * Tweaked the install scripts to ensure Nickel wouldn't scan our hidden directories on FW 4.17+.
* Minor documentation tweaks to deal with the whole hidden directories scanning on FW 4.17+.