fix: columns size calculation for table format (#18)

an exception was being raised when the column was of type bool

aurora_term/terminal.py

@@ -50,7 +50,7 @@ def _format_table(self, data):
         for record in data:
             row = []
             for key, value in record.items():
-                sizes[key] = max(sizes[key], len(value))
+                sizes[key] = max(sizes[key], len(str(value)))
                 row.append(value)
             rows.append(row)