Pyparsing

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- **NOTE: Changed API again!!!** (for the last time, I hope)

+ Renamed module from parsing to pyparsing, to better reflect Python
linkage.

- Also added dictExample.py to examples directory, to illustrate
usage of the Dict class.

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- **NOTE: Changed API!**

+ Renamed 'len' argument on Word.__init__() to 'exact'

- Performance speed-up, 10-30%

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- Initial public release

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- initial development iterations:
- added Dict, Group
- added helper methods oneOf, delimitedList
- added helpers quotedString (and double and single), restOfLine, cStyleComment
- added MatchFirst as an alternative to the slower Or
- added UML class diagram
- fixed various logic bugs