Almost all features implemented and is working ok.
0.3.3
Huge update to materials. Added adopted GEANT4 and SRIM databases for materials. Fix paths to data. Examples upgrade.
0.2.3
More improvements
0.1.7
WED surface class added, new Material class as new module, new export module, periodic table data added, now pandas needed for periodic table data work, planes excluded from export in cell section