Added support for boolean parameters in getParameters.
Added functions: getCategoriesIDs, getNumberOfCategories.
Added functions: getCategoriesValues, putCategoriesValues, getCategoriesIntervalValues, putCategoriesIntervalValues.
Added functions: getAlternativesAffectations, putAlternativesAffectations.
Added function getAlternativesComparisonsValues.
Reformatted some documentation parts to fit the textwidth for latex.
Changed version number and added Krzysztof Ciomek as contributor.