do not check for statements because functions should be addable in the
configuration script
fixed wrong description handling for json content
first test with custom filters
change and delete status of task
added option to select to whom to assign a new task
changed F to C to indicate CUSTOM commands
added empty files in order to transfer code from redtask to several
files
moved code to filter and some operations into new separate files
in order to make the main file smaller
create valid empty json object if no ids are provided
remove line and pretty print options
added print commands to print lines or json
print indented lines with child tasks
added write operations