added eng.join example

examples/eng_join.py

@@ -0,0 +1,31 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+import sys
+import os
+
+sys.path.insert(0, os.path.abspath('..'))
+
+from clint.eng import join
+from clint.textui import colored, indent, puts
+
+colors = [
+    colored.blue('blue'),
+    colored.red('red'),
+    colored.yellow('yellow'),
+    colored.green('green'),
+    colored.magenta('magenta')
+]
+
+colors = map(str, colors)
+
+
+puts('Smart:')
+with indent(4):
+    for i in range(len(colors)):
+        puts(join(colors[:i+1]))
+puts('\n')
+puts('Stupid:')
+with indent(4):
+    for i in range(len(colors)):
+        puts(join(colors[:i+1], im_a_moron=True, conj='\'n'))