refs #4244: Fixed CheckLineDirectionCoherenceAlgorithm
refs #4098 Introducing subtypes in toolbox algorithm
refs #3838 The geoms generated were created with 3 coordinates and transformed to 3D geoms, although the layer was 2D. Now the third coordinate is a NaN in 2D layers.
refs #3219 Arreglado error en geoproceso de "Linea de visión (Radiofrecuencia)"
refs #2913 Arreglado el UnionAlgorithm
refs #2852 Arreglado el MergeAlgorithm
refs #2849 Adjusted the default value management in VectorAddFieldAlgorithm
refs #2849 Fixed an i18n string in IntersectionAlgorithm.
refs #2528 Corregido error en PolygonizeAlgorithm
Arreglado bug por el que había un NullPointerException en UnionAlgorithm cuando las capas no intersectaban.
refs #2536 Applied patch to fix it.