waterworks/Files: support for arguments to openers in possibly_compressed_file
waterworks.Strings: Add sumstring
FigUtil: more docs, add center=True option for format='asciiart'
QuickColorize: bugfix
.hgignore: Skip swap files
FigUtil: improve 'asciiart' format, add 'tabulate' format
asciiart format: add 'deco' option
QuickColorize: various cleanups, randomize colors, add assign_color()
Removed __main__ since that's been extracted to quickscripts/quickcolorize
waterworks.Tools: improve formatter used in get_simple_logger()
BetterCmdShell: extension to cmd.Cmd with new features
- enable readline completion by default
- Control-D quits
- catch all exceptions and print them in red
- expand unambiguous commands, report when expansions are
  ambiguous
- help is better formatted
- 'help all' prints out help of all commands
IntRange: add __repr__ method
PrecRec: add methods to compute using true/false positive/negatives
iterextras: update __all__