Add 'close' function to ThermoRaw and fix read_scans

Author: RJMW

dimspy/portals/thermo_raw_portal.py

@@ -146,3 +146,6 @@ def scan_dependents(self):
                 for i, d in enumerate(gsd.ScanDependentDetailArray):
                     l.append([scan_id, d.ScanIndex])
         return l
+
+    def close(self):
+        self.run.Close()

dimspy/process/replicate_processing.py

@@ -116,6 +116,10 @@ def read_scans(fn, source, function_noise, min_scans=1, filter_scan_events=None)
             scans[h] = run.peaklists(sids, function_noise)
         else:
             logging.warning('Not enough scans for [{}] [{} < {}]. Scan event {} has been removed.'.format(h, len(scans), min_scans, h))
+
+    if fn.lower().endswith(".raw"):
+        run.close()
+
     return scans