check for lower search range value really being lower than upper search range value in options parser

pair matching code that calibrates both cameras and does the stereo correlation, currently not saving anything

Domain decomposition

See merge request !31

# Conflicts:
#   tools/helpers/optionsParser.py

Mesh script

See merge request !30

# Conflicts:
#   setup.py
#   tests/test_scripts.py
#   tools/helpers/optionsParser.py
#   tools/tests/test_deformation.py
#   tools/tests/test_mesh.py