[fempy @ Arch-1:ak@ixion.net--2003-diplomarbeit%fempy--prototype--1.0--patch-34]

fixes, mesh functions
fix for definition gaps of deformation functions
catch ValueError in appropriate places, treat as not-in-element

helpers for computing solution values and gradients

reformatted solver.py

changed area refinement shrink factor from 0.3 to 0.7

moved away from get-a-getter design in solution function code

added mesh_function.py

fixed tFakeList to accept slices

made compiled expressions picklable, also sped up mesh pickling