Initial implementation.
Fix wrong argument key.
Add session start and destroy.
Rename variable name.
Add method to format and print the output.
Add method to get the command object.
Assign the command object to format and display the output result.
Make the loggers all quiet.
Set the string comparison to ignore letter cases.
Code tidy.
Set the pipe thread as running deamon.
Fix null pointer exception due to forgetting initialize BlockingQueue.
Fix substring bug.
Implement UnknownCommand exception.
Refactor Command behavior by moving the command execution in itself.
Fix the result formatting.
Fix bug when typing ctrl+D
Fix bug when user types string less than 2 chars.
Save to console history if the input is not an empty string.
Change the Semantika Core version number.