Adapt to new, stricter, rules for argument passing.

functional)

Real important: turn off FIELDDROP in Vrec.

the scanline width a multiple of 4.

VFile: use gl.gversion() to distinguish 4.0.1 and 4.0.5 Indigos;
truncate width and height to multiples of packfactor.

Vinfo: add -t to descriptive comment; print '!' after packfactor for
files that should be fixed with Vfix.

using module 'jpeg' by the Displayer class.  (Unfortunately it's too
slow for real time.)  Print file size in printinfo() method.

Vinfo: added -t option (terse -- one line per file) and usage message.

Vtime: use BasicV{in,out}File classes -- the minimum needed.

Vmkjpeg, Vunjpeg: new utilities for jpeg (de)compression.

adjustments (somewhat).  Adapted Vsend to use it.

adjustments (somewhat).  Adapted Vsend to use it.

size automatically -- the video is always centered.  Added
resizevideo() and reshapewindow() interfaces.  Documented all methods.
Changed Vsend/Vreceive to use the new interface.  Allow window
resizing by the user in Vreceive.

Optimized LiveVideoIn quite a bit; removed print stmt from LiveVideoOut.

size to 1 in LiveVideoIn.

New programs V{send,receive} to send/receive video over UDP.
Comment typo changed in Vaddcache.

VFile.py: support for showing partial frames.

.,

VFile: RandomVinFile can now write the cache to the file.
Vinfo: use the cached index if present and print a message whether it's there.

Added class RandomVinFile which supports random access and warming the cache.
Added eofseen and errorseen methods to BasicVinFile.
Use RGB mode for rgb8 data on entry level Indigo.
Minor cosmetic changes.

missing -n in help(), bogus frame skipping; and added patch for
weird time jumps.  Removed colorsys.py (now in std library).
Fixed "sys.write" error in vcopy.py.  Restructured README.

add stepunit(8, 6) call.

(no bit vector)