update setup and docs

Author: stuartaccent

README.rst

@@ -7,6 +7,21 @@ Allows you to build forms in the CMS admin area and add them to any StreamField
 You can create your own types of forms meaning an endless array of possibilities. Templates can be created
 which will then appear as choices when you build your form, allowing you to display and submit a form however you want.
 
+Backwards Compatibility
+-----------------------
+
+If you are using a version of wagtail 1.x, then the latest compatible version of this package is 1.6.3:
+
+.. code:: bash
+
+    $ pip install wagtailstreanforms<2
+
+Other wise you must install a version of this package from 2 onwards:
+
+.. code:: bash
+
+    $ pip install wagtailstreanforms>=2
+
 What else is included?
 ----------------------
 

docs/index.rst

@@ -10,6 +10,21 @@ Allows you to build forms in the CMS admin area and add them to any StreamField
 You can create your own types of forms meaning an endless array of possibilities. Templates can be created
 which will then appear as choices when you build your form, allowing you to display and submit a form however you want.
 
+Backwards Compatibility
+-----------------------
+
+If you are using a version of wagtail 1.x, then the latest compatible version of this package is 1.6.3:
+
+.. code:: bash
+
+    $ pip install wagtailstreanforms<2
+
+Other wise you must install a version of this package from 2 onwards:
+
+.. code:: bash
+
+    $ pip install wagtailstreanforms>=2
+
 What else is included?
 ----------------------
 

setup.py

@@ -10,7 +10,7 @@
 install_requires = [
     'Django>=2,<2.1',
     'django-recaptcha>=1.3.1',
-    'wagtail>=2.0b1,<2.1'
+    'wagtail>=2,<2.1'
 ]
 
 documentation_extras = [

tox.ini

@@ -10,7 +10,7 @@ deps =
     mock
 
     dj200: Django>=2,<2.1
-    wt200: wagtail>=2.0b1,<2.1
+    wt200: wagtail>=2,<2.1
 
 commands =
     coverage erase