Merge pull request #37 from CleoQc/feature/add_sudo_add_to_file_fct

new function: sudo_add_line_to_end_of_file

fix - script_tools installation script (#23)

* fix - make new changes to script_tools update-able

* fix - add verbosity for more clearer understanding

* fix - making a force overwrite instead

snapshot of what is in DexterOS 1.3

Merge pull request #6 from karan259/master

Function_library from script_tools used by default