Update the docs

Author: mdmintz

examples/tour_examples/ReadMe.md

@@ -2,7 +2,7 @@
 
 ![](https://cdn2.hubspot.net/hubfs/100006/images/google_tour.gif "SeleniumBase Tours")<br>
 
-SeleniumBase Tours utilize the [HubSpot Shepherd Library](http://github.hubspot.com/shepherd/docs/welcome/) for creating and running tours, demos, and walkthroughs on any website.
+SeleniumBase Tours utilize the [Shepherd Library](https://cdnjs.com/libraries/shepherd/1.8.1) for creating and running tours, demos, and walkthroughs on any website.
 
 To utilize tours, there are three methods that you need to know at the basic level (which contain optional arguments):
 

help_docs/happy_customers.md

@@ -3,6 +3,7 @@
 * [Jana](http://jana.com/)
 * [Veracode](http://www.veracode.com/)
 * [CA Technologies](https://www.ca.com/)
+* [Broadcom](https://www.broadcom.com/)
 * [MIT](http://web.mit.edu/)
 * [iboss](https://www.iboss.com/)
 * [Akamai](https://www.akamai.com/)

help_docs/install_python_pip_git.md

@@ -1,12 +1,12 @@
 ## Installation instructions for Python, pip, brew, git, virtualenv, and virtualenvwrapper
 
-
 ### [Python 2.7 or 3.*](https://www.python.org/downloads/)
 
-If you're a MAC user, Python should already come preinstalled on your machine. You can use both Python 2.7 or Python 3 with SeleniumBase. If you're on a MAC and have [Homebrew](https://brew.sh/) installed (but not Python 3) you can use: ``brew install python3`` if you wish to use Python 3 instead of Python 2.7. Or you can just get everything from [https://www.python.org/downloads/](https://www.python.org/downloads/).
+If you're a MAC user, Python should already come preinstalled on your machine. You can use both Python 2.7 or Python 3.6+ with SeleniumBase. If you're on a MAC and have [Homebrew](https://brew.sh/) installed, you can use: ``brew install python3`` to install Python 3. Or you can just get everything from [https://www.python.org/downloads/](https://www.python.org/downloads/).
 
-If you're a WINDOWS user, [download Python 2.7 from here](https://www.python.org/downloads/release/python-2713/) OR [download Python 3.6.2 from here](https://www.python.org/downloads/release/python-362/).
+For MAC, there's also the official docs.python-guide.org instructions here: [Installing Python 2 on Mac OS X](https://docs.python-guide.org/starting/install/osx/) and [Installing Python 3 on Mac OS X](https://docs.python-guide.org/starting/install3/osx/#install3-osx).
 
+If you're a WINDOWS user, [download Python 2.7 from here](https://www.python.org/downloads/release/python-2713/) OR [download Python 3.6.6 from here](https://www.python.org/downloads/release/python-366/).
 
 ### [Pip](https://en.wikipedia.org/wiki/Pip_%28package_manager%29)
 

help_docs/method_summary.md

@@ -221,6 +221,9 @@ self.wait_for_text(text, selector, by=By.CSS_SELECTOR,
 self.find_text(text, selector, by=By.CSS_SELECTOR,
     timeout=settings.LARGE_TIMEOUT)
 
+self.assert_text_visible(text, selector, by=By.CSS_SELECTOR,
+    timeout=settings.SMALL_TIMEOUT)
+
 self.assert_text(text, selector, by=By.CSS_SELECTOR,
     timeout=settings.SMALL_TIMEOUT)