Added a function to the expression manager which allows numerical values
to be transformed a list of input-values to a corresponding list of
output values. This gives a huge flexibility evaluating surveys.
Fixed a bug validating the input parameters
Renamed function and variables to match the coding guidelines
New feature Export Response By Token routine added to remote control
Dev added routine in remote controller for Export Responses by token.
Merge pull request #89 from ravindrakhokharia/rc2_export_responses_by_token

New feature: Export Response By Token routine added to remote control
Merge pull request #88 from mfaber/firstday

Fixed issue #7882: Monday is now first day in calender (partial fix)
Merge pull request #84 from weberhofer/master

New feature: convert_value() function for Expression Manager
strtotime2
documentation, 1digit dates,escape dot
clean up, new tests
more tests
if elseif kaskade und neue tests
logic starting with -/.