Bumping version to 2.1.2

Author: jstrait

Gemfile.lock

@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    beats (2.1.1)
+    beats (2.1.2)
       wavefile (= 0.8.1)
 
 GEM

README.markdown

@@ -57,7 +57,7 @@ Check out [this tutorial at beatsdrummachine.com](https://beatsdrummachine.com/t
 What's New in v2.1.2
 --------------------
 
-The latest version of Beats is 2.1.2, released on ___TBD___. It contains these changes:
+The latest version of Beats is 2.1.2, released on December 18, 2019. It contains these changes:
 
 * Several confusing/unhelpful errors shown due to an error in an input file have been improved. For example, if a pattern has the invalid name "4", the error message will now be `Pattern name '4' is not valid. It must be a value that will be parsed from YAML as a String.`, instead of `undefined method 'downcase' for 4:Integer`.
 

lib/beats.rb

@@ -17,5 +17,5 @@
 require "beats/transforms/song_swinger"
 
 module Beats
-  VERSION = "2.1.1"
+  VERSION = "2.1.2"
 end

web/download.php

@@ -6,7 +6,7 @@
     <p><pre class="single-line"><code>gem install beats</code></pre></p>
     <p>This will download Beats from <a href="https://rubygems.org/gems/beats">rubygems.org</a> and add a <code>beats</code> command to your path.</p>
     <p>(Note that if you are installing using the default version of Ruby that comes with MacOS X, you might get a file permission error. If that happens, try <code>sudo gem install beats</code> instead. If you are using RVM or rbenv, plain <code>gem install beats</code> should work fine.)</p>
-    <p>The current version of Beats is 2.1.1. If you have an older version, you can update with this:</p>
+    <p>The current version of Beats is 2.1.2. If you have an older version, you can update with this:</p>
     <p><pre class="single-line"><code>gem update beats</code></pre></p>
     <p>Not sure what version you have? Run <code>beats -v</code>.</p>
   </div>