gap-hecke-1.5.4-bp160.1.9

- Update to release 1.5.4
  * Various janitorial changes

- Update to release 1.5.3
  * remove use of obsolete and undocumented GAP function
    `InfoRead1`
  * change definitions of various categories to correctly model
    their meaning
  * remove unused and undocumented `FoldLeft` operation
  * remove unused and undocumented `*` method for functions (to
    allow function composition)
  * remove unused, undocumented and broken TeX support in
    undocumented function DecompositionMatrixString

- Update to new upstream release 1.5
  * Fix error in CombineEQuotientECore

- Update to new upstream release 1.4
  * fixed a bug in SemiStandardTableau(): ignore trailing zeros
  in the type of a tableau
  * Tableau constructor can now actually create the empty tableau

- Split hecke (version 1.3) off the gap RPM package