Added parsing of input file if found, added support for more functionals, corrected the formatting of functionals, restructured the package a bit.

Added parsing of input file if found, added support for more functionals, corrected the formatting of functionals, restructured the package a bit.

Cleanup and refactoring of the code, directly implemented the option of local parsing to the ParserInterface baseclass.

Added new base classes that help in structuring the code. Added initial support for ancillary files.

Added adHoc functions to handle parsing of cell information and atom label and position information.

Added integration support (file scalainterface.py), modified tests to use nomadtoolkit, started parsing more information to section_system_description.