fixed several bugs

Common/OpenFile.cpp

Common/StringUtils.cpp

Geo/GModel.cpp

Geo/GModelIO_INP.cpp

Geo/Geo.cpp

Geo/GeoInterpolation.cpp

Mesh/BackgroundMesh.cpp

Mesh/BackgroundMesh.h

Mesh/meshGFace.cpp

Mesh/meshGFaceDelaunayInsertion.cpp

Mesh/meshGFaceOptimize.cpp

Mesh/meshRefine.cpp

Mesh/surfaceFiller.cpp

Numeric/CMakeLists.txt

Numeric/JacobianBasis.cpp

Numeric/Numeric.cpp

Numeric/Numeric.h

Numeric/simpleFunction.h

Solver/helmholtzTerm.h

benchmarks/2d/brombo2.geo