Changes from 1.1.3 to 1.1.4 - Methods with more than six arguments were removed - Documentation of the package now is loaded automatically - Minor corrections in documentation - File with predefined groups is actually included in the release Changes from 1.1.2 to 1.1.3 - The bug sometimes yielding a wrong answer to the question of inclusion of an element into a group acting on the tree of degree not less than 3 was fixed - The issue of changing the GAP output after loading the package related to Indeterminate(GF(2)) was overcome Changes from 1.1.1 to 1.1.2 - IsAutomatonRep was renamed to IsMealyAutomatonRep, and DiagonalAction was renamed to DiagonalPower to avoid conflicts with other packages Changes from 1.1 to 1.1.1 - The bug with undeclared local variable in one of the tests was fixed Changes from 1.0 to 1.1 - The bug with contracting level was fixed (in some rare cases IsOne produced error for contracting groups) - Order was improved (especially for infinite order and for groups generated by wreath recursion) - Spherical transitivity for the elements of groups given by wreath recursion acting on binary tree was implemented - Rewriting systems work for self-similar groups now - IsOfSubexponentialGrowth was added - TransformationSemigroupOnLevel was added - Printing of tree homomorphisms was corrected - FindGroupRelations returns less superfluous relations now - Operations for finding transitive elements in a self-similar groups acting on a binary tree were implemented (see SphericallyTransitiveElement and ContainsSphericallyTransitiveElement) - Work with finite self-similar groups was improved - Some bugs in documentation were fixed