Implemented ticket #737 "Create a 'getfileinfo()' function" Also resolved issues in StrToCmplx()
added the replacemente of "\\infty" and similar values. fixed an issue where a size_t was checked against a negative number. Relates to ticket #687.
Updated the changes log with the to_tex function as described in ticket #687
Added the new method to_tex as described in ticket #687. The helper function formatNumberToTex is derived from the formatNumber function in the LaTeXTable class.
updated the changes log for the last commit that implements the matop cutoff function as described in ticket #666
added the new cutoff matop function as described in #666. for this a new string parser was needed.
Implemented ticket #732 "Create a syllabus XML element for NHLP files" Improved also the automatic indentation feature
Implemented ticket #734 "Add the possibility to define output pixel size"
Implemented ticket #733 "Enable parametric coordinates in plots"
Added a prototypic version for using multiple data sets for a single plot