Fixup attribute error in README example

Bump version 1.1.2 for docs release.

README.md

@@ -30,7 +30,7 @@ import requests
 # Requesting a valid JSON feed!
 r = requests.get('https://arxiv-feeds.appspot.com/json/test')
 # Parse from raw text...
-feed_from_text = jf.parse(r.text)
+feed_from_text = jf.Feed.parse_string(r.text)
 # ...or parse JSON separately.
 r_json = r.json()
 feed_from_json = jf.Feed.parse(r_json)

docs/jsonfeed.html

@@ -167,7 +167,7 @@ <h3 id="parsing-a-json-feed">Parsing a JSON feed</h3>
 <span class="c1"># Requesting a valid JSON feed!</span>
 <span class="n">r</span> <span class="o">=</span> <span class="n">requests</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">&#39;https://arxiv-feeds.appspot.com/json/test&#39;</span><span class="p">)</span>
 <span class="c1"># Parse from raw text...</span>
-<span class="n">feed_from_text</span> <span class="o">=</span> <span class="n">jf</span><span class="o">.</span><span class="n">parse</span><span class="p">(</span><span class="n">r</span><span class="o">.</span><span class="n">text</span><span class="p">)</span>
+<span class="n">feed_from_text</span> <span class="o">=</span> <span class="n">jf</span><span class="o">.</span><span class="n">Feed</span><span class="o">.</span><span class="n">parse_string</span><span class="p">(</span><span class="n">r</span><span class="o">.</span><span class="n">text</span><span class="p">)</span>
 <span class="c1"># ...or parse JSON separately.</span>
 <span class="n">r_json</span> <span class="o">=</span> <span class="n">r</span><span class="o">.</span><span class="n">json</span><span class="p">()</span>
 <span class="n">feed_from_json</span> <span class="o">=</span> <span class="n">jf</span><span class="o">.</span><span class="n">Feed</span><span class="o">.</span><span class="n">parse</span><span class="p">(</span><span class="n">r_json</span><span class="p">)</span>

setup.py

@@ -1,6 +1,6 @@
 from setuptools import setup, find_packages
 
-version = "1.1.1"
+version = "1.1.2"
 
 with open("README.md", "r") as fh:
     long_description = fh.read()