fixed issue where polyline segments or surface triangles could contain two points with identical ids

Quickcheck and replace swap with stl

mesh legacy interface now also works if additional information is found between MaterialID and element type in the element discription within a file

test-target now also runs on Visual Studio in every configuration.

Improve drop file extension

Improve histogram code

Using quickcheck for generation of 100 tests for vector of integers.

New protected init().

added some libraries to link with for generateStructuredQuadMesh, added new programme createMeshElemPropertiesFromASCRaster

added public method Raster::getRasterPixelDistance(), bugfix for Raster::refineRaster() - update now internal attributes

changed dropFileExtension() implementation

BaseLib filename string manipulation rewrite.

Place it in StringTools.