title: "context" can not be used ChicagoBoss Template Tags
body: <p>After upgrading <code>ChicagoBoss</code> to latest version <code>(i.e.from 0.8.10 -&gt; 0.8.14)</code>. I have been observing that the term <code>"context"</code> can not be used in any of the chicagoboss template tags.</p>
  
  <p>Its giving syntax error :</p>
  
  <p>eg. </p>
  
  <pre><code>{% if context == data.code %}
            &lt;option selected&gt;{{data.value1}}&lt;/option&gt;
  {% else %}
            &lt;option selected&gt;{{data.value2}}&lt;/option&gt;
  {% endif %}
  </code></pre>
  
  <h2>OR</h2>
  
  <pre><code>{% url action="some_action" context=data.val %}
  </code></pre>
  
  <p>And same error thrown for these template tags :</p>
  
  <pre><code>Unhandled Error: error:{case_clause,{ok,[{"src/view/x_return/form_12.html",
                           [{{88,15},
                             erlydtl_parser,
                             ["syntax error before: ",["\"context\""]]}]}]}} Stacktrace: [{boss_web_controller_render,render_view,5,[{file,"src/boss/boss_web_controller_render.erl"},{line,217}]},{boss_web_controller,execute_action_inner,9,[{file,"src/boss/boss_web_controller.erl"},{line,290}]},{boss_web_controller_handle_request,process_dynamic_request,5,[{file,"src/boss/boss_web_controller_handle_request.erl"},{line,254}]},{boss_web_controller_handle_request,process_request,5,[{file,"src/boss/boss_web_controller_handle_request.erl"},{line,240}]},{boss_web_controller_handle_request,set_timer,8,[{file,"src/boss/boss_web_controller_handle_request.erl"},{line,160}]},{boss_web_controller_handle_request,build_dynamic_response,5,[{file,"src/boss/boss_web_controller_handle_request.erl"},{line,129}]},{boss_web_controller_handle_request,handle_request,4,[{file,"src/boss/boss_web_controller_handle_request.erl"},{line,26}]},{mochicow_upgrade,upgrade,4,[{file,"src/mochicow_upgrade.erl"},{line,72}]}]
  </code></pre>
  
  <p>It works pretty fine when I change <code>"context"</code> to <code>"cntxt"</code> or anything other than <code>context</code>.</p>
  
  <p>As you may know that <code>ChicagoBoss</code> tags is just similar to <code>Django</code> template tags. Since I followed ChicagoBoss as well as Django documentation but I could not see any documentation that <code>"context"</code> is keyword or any reserved term.</p>
  
  <ul>
  <li>Any django developer does have any idea about it?</li>
  <li>Does it occur in Django templates also? </li>
  </ul>
  
  <p><strong>Note</strong> - I do have many files containing <code>"context"</code> used in template tags. Since not a good idea to update each file to change the term manually.</p>
  
  <ul>
  <li>Also raised an issue at <a href="https://github.com/ChicagoBoss/ChicagoBoss/issues/563" rel="nofollow">Github - ChicagoBoss Issues</a></li>
  </ul>