New version: Added redistancing, corrected major bug for very high order, updated documentation, added test cases. Warning: use the new meshes from this version on.

Stiched the amendement sequence in case of paramters and a level of modification>2 and added error exports

Added latest version with light export possibilities and correction of the initial conditions for advection in case of fine meshes

added newest version -- corrected mass lumping -- edited post-processing -- corrected weights in the integration of du