Test that Node is a function before using instanceof on it
Fix docstring typo for pure render mixin
Add Object.freeze to polyfill list
Merge pull request #1211 from spicyj/freeze

Add Object.freeze to polyfill list
Merge pull request #1208 from passy/patch-3

Fix docstring typo for pure render mixin
[docs] Add more words to downloads page
Merge pull request #1222 from spicyj/npm-dl

[docs] Add more words to downloads page
Merge pull request #1180 from evanc/master

Test that Node is a function before using instanceof on it
Remove obsolete __VERSION__ references