Fix typo in lachs0r's test fix, add test for old argument reordering
Fix argument rearranging
Bump version to R23
Fix signedness typo in rgvs mode 20
Add secret forceid argument to LoadPlugin
VFM: Fix value of VFMMatch property

It was reporting the matches used for the two interlaced frames
in a cycle as "0" whether the field parameter was 0 or 1 (order=1
in both cases). TFM reports "n" when field is 0 and "p" when field
is 1.
Merge pull request #74 from dubhater/vfm_bug

VFM: Fix value of VFMMatch property
Add incomplete documentation for RemoveGrain
doc: Clarify the meaning of VFMMics

Also other tweaks to VFM's documentation.
VFM: Fix the order of the elements of VFMMics
VFM: Switch to fmParallel

In my tests, mode 5 with default parameters is ~20% faster.
Mode 5 with micmatch 2 is ~55% faster.
doc: Don't suggest specifically version 3.3 of Python
doc: Document plugin autoloading in Linux and OS X
doc: Show VapourSynth's version instead of "1.0"
doc: Mention the length of DoubleWeave's output

Also include an example.
doc: PlaneDifference accepts clips of unequal lengths
stdlib: Add DuplicateFrames, DeleteFrames, FreezeFrames

And their documentation.
doc: Python keywords shouldn't be namespaces
VFM: Use PlaneDifference to detect scene changes

This way each plane difference is calculated only once.
VFM: Fix indenting in the new code