TSetOfInteger for Delphi 1.0

The programming language Object Pascal in the Delphi environment allows to use only sets of maximum size of 256 elements (Set Of Byte or Set Of Char). TSetOfInteger is a class, which can pass this limit and allows to use unlimited set of integers in similar way, as it is possible to work with common sets. The size of a set is limited only by the amount of the free memory.

Supported operations on sets:
- is member of a set
- include
- exclude
- invert
- intersection
- union
- difference
- is subset
- is superset
- equality
- is empty
- count of members
- find first, find next
- export as array
- load from stream, save to stream
- load from file, save to file