bugfixes in anglescan process: nicknames and interpolation

- nickname can now correctly reference a dataset in a subfolder.
- the interpolation now trims the dataset at the largest angle.

doc/html/namespace_pearl_scienta_preprocess.html

@@ -32,7 +32,7 @@
  <tr style="height: 56px;">
   <td id="projectalign" style="padding-left: 0.5em;">
    <div id="projectname">PEARL Procedures
-   &#160;<span id="projectnumber">rev-distro-1.4.0-1-g0a436db-dirty</span>
+   &#160;<span id="projectnumber">rev-distro-1.6.0-0-gcf1399e-dirty</span>
    </div>
    <div id="projectbrief">Igor procedures for the analysis of PEARL data</div>
   </td>
@@ -121,7 +121,7 @@ $(document).ready(function(){initNavTree('namespace_pearl_scienta_preprocess.htm
 <div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
   <ul>
     <li class="navelem"><a class="el" href="namespace_pearl_scienta_preprocess.html">PearlScientaPreprocess</a></li>
-    <li class="footer">Generated on Thu Sep 21 2017 12:35:04 for PEARL Procedures by
+    <li class="footer">Generated on Wed Sep 27 2017 15:47:49 for PEARL Procedures by
     <a href="http://www.doxygen.org/index.html">
     <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.11 </li>
   </ul>