rename neocc to core

Author: Alvaro Arroyo Parejo

ESANEOCC/core.py

@@ -12,7 +12,7 @@
 * Issue: 1.3
 * Date: 16-06-2021
 * Purpose: Main module which gets NEAs data from https://neo.ssa.esa.int/
-* Module: neocc.py
+* Module: core.py
 * History:
 
 ========   ===========   ============================================

docs/docs/html/_modules/ESANEOCC/core.html

@@ -166,7 +166,7 @@ <h1>Source code for ESANEOCC.core</h1><div class="highlight"><pre>
 <span class="sd">* Issue: 1.3</span>
 <span class="sd">* Date: 16-06-2021</span>
 <span class="sd">* Purpose: Main module which gets NEAs data from https://neo.ssa.esa.int/</span>
-<span class="sd">* Module: neocc.py</span>
+<span class="sd">* Module: core.py</span>
 <span class="sd">* History:</span>
 
 <span class="sd">========   ===========   ============================================</span>

docs/docs/html/index.html

@@ -278,7 +278,7 @@ <h2>Modules<a class="headerlink" href="#modules" title="Permalink to this headli
 <li><p>Issue: 1.3</p></li>
 <li><p>Date: 16-06-2021</p></li>
 <li><p>Purpose: Main module which gets NEAs data from <a class="reference external" href="https://neo.ssa.esa.int/">https://neo.ssa.esa.int/</a></p></li>
-<li><p>Module: neocc.py</p></li>
+<li><p>Module: core.py</p></li>
 <li><p>History:</p></li>
 </ul>
 <table class="docutils align-default">