Initial checkin for man-page on unordered sets
Fixed yet another bug (repeated question marks and shorter string)
Solved problem with matching an empty string
Corrected bugs in glob matching algorithm (not flawless yet though!)
Updated man pages on linked lists and glob matching
Added test program for vectors module
Corrected and tested version of "vectors" source code
Initial checkin of timing module
Initial experiment with expressions that are first defined and then evaluated
Initial checkin for documentation on binary trees
