fix: #9 no error on trying to insert more than limit, plus some other

tests and minor fix

internals/repl/repl.go

@@ -37,6 +37,10 @@ func Run() {
 			fmt.Println("Syntax error, could not parse statement")
 		case PrepareUnrecognised:
 			fmt.Printf("Unrecognised keyword at the start of '%s'.\n", inputBuffer.Buffer)
+		case PrepareTooManyArgs:
+			fmt.Printf("Too many arguments in the insert statement '%v'\n", inputBuffer.Buffer)
+		case PrepareValueTooLong:
+			fmt.Printf("Values for either username or email are too long\n")
 		}
 
 		switch statement.ExecuteStatement(table) {