Test case #1
   string1: dormitory
   string2: dirty room
   These strings are anagrams
Test case #2
   string1: dormitory
   string2: dirty, dirty room
   These strings are NOT anagrams
Test case #3
   string1: William Shakespeare
   string2: I'll make a wise phrase
   These strings are anagrams
Test case #4
   string1: Hello World!
   string2: A common message
   These strings are NOT anagrams
Test case #5
   string1: slot machines
   string2: *** Cash lost in 'em! ***
   These strings are anagrams