Closes #18

[jetfir3]

Changing the suggested SpotX bash command.

• fixes the "no output" error from #18
• fixes endless loop if user input condition is called
• simplifies handling of script arguments/flags/options
• curl -S option added to show output on errors only

[Nuzair46]

@jetfir3, the closes #18 should be in the description like this closes #18