Added support for the latest Python "Click" package (CLI Builder) // Resolve #349

setup.py

@@ -19,7 +19,7 @@ from platformio import (__author__, __description__, __email__, __license__,
 
 install_requires = [
     "bottle<0.13",
-    "click>=5,<6",
+    "click>=5,<8",
     "colorama",
     "pyserial>=3,<4,!=3.3",
     "requests>=2.4.0,<3",