Add basic CLI

plum/cli/formatter.py

@@ -0,0 +1,15 @@
+import texttable
+import os
+
+
+class Formatter(object):
+    def table(self, headers, rows):
+        height, width = os.popen('stty size', 'r').read().split()
+
+        table = texttable.Texttable(max_width=width)
+        table.set_cols_dtype(['t' for h in headers])
+        table.add_rows([headers] + rows)
+        table.set_deco(table.HEADER)
+        table.set_chars(['-', '|', '+', '-'])
+
+        return table.draw()