[fpc-pascal] fast text processing

[Bee]

> I made it three times as fast on my computer (windows 2000, fpc 2.3.1, 
> P4 1.5 Ghz) using a hashlist for the unique word count. Using a larger 
> textbuf gave an additional 10% speed up:

Arrrggghhhh, I hate myself for not able to upgrade to fpc v.2.2.0! I 
can't find TFPStringHashTable on fpc v.2.0.4! :((

-Bee-

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