Finish of code reorg, moving MGF library into src/cv and src/common
Fixed prototyping in mkillum and eliminated compile error in lookup.c
Continued ANSIfication and reduced compile warnings.
Added grouping parens to reduce ambiguity warnings.
Updates for 3.5 release
changed lookup routines to use unsigned long hash values
Added Philippe Bekaert's improvements to lu_hash() and lu_find()
minor mods
bug fixes and enhancements
change in comment
improved table lookup routines with new delete function
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