v15
- BlockFPS: Fix bug that prevented the use of the "ml" parameter (bug introduced in v14).
- BlockFPS: Maybe fix bad output with 16 bit input (bugs introduced in v6 and v14).
- DepanCompensate, DepanStabilise: Fix integer overflows with 16 bit input and subpixel=2 (bug introduced in v14).
- Rename all "isse" parameters to "opt". They work the same.
- Add filter Flow.