MorseCodeTree now defaults with numerics and find() is implemented

Also all tabs now converted to spaces
Added package protection comment
Added package protection comment
New morse code dictionary for encoding English alphabet
Added encoding whitespace as new line in morse code to mark start of next word
Fixed iteration error after design changes
Fixed MorseCodeDict class declaration and added toString() method
.class files update -- to be deleted and added to .gitignore
Fixed find() in MorseCodeTree to handle undecodable input
MorseTranslator now works from terminal taking user input

Implemented toMorse() and toEnglish()
Updated main() accordingly