Fixed message box text width, renamed Display Hash, added Duplicate file finder

FINALLY got the message box text width sizing correct.  Required change to Text Elements so watch out for possible side effects.
Added a new Duplicate File Finder demo program that uses an input form an a progress meter

Demo DuplicateFileFinder.py

@@ -0,0 +1,58 @@
+import hashlib
+import os
+import win32clipboard
+import PySimpleGUI as gg
+
+
+# ====____====____==== FUNCTION DeDuplicate_folder(path) ====____====____==== #
+# Function to de-duplicate the folder passed in                               #
+# --------------------------------------------------------------------------- #
+def FindDuplicatesFilesInFolder(path):
+    shatab = []
+    total = 0
+    small = (1024)
+    small_count, dup_count, error_count = 0,0,0
+    pngdir = path
+    if not os.path.exists(path):
+        gg.MsgBox('De-Dupe', '** Folder doesn\'t exist***', path)
+        return
+    pngfiles = os.listdir(pngdir)
+    total_files = len(pngfiles)
+    not_cancelled = True
+    for idx, f in enumerate(pngfiles):
+        if not gg.EasyProgressMeter('Counting Duplicates', idx+1, total_files, 'Counting Duplicate Files'):
+            break
+        total += 1
+        fname = os.path.join(pngdir, f)
+        if os.path.isdir(fname):
+            continue
+        x = open(fname, "rb").read()
+
+        m = hashlib.sha256()
+        m.update(x)
+        f_sha = m.digest()
+        if f_sha in shatab:
+            # os.remove(fname)
+            dup_count += 1
+            continue
+        shatab.append(f_sha)
+
+    msg = f'{total} Files processed\n'\
+          f'{dup_count} Duplicates found\n'
+    gg.MsgBox('Duplicate Finder Ended', msg)
+
+# ====____====____==== Pseudo-MAIN program ====____====____==== #
+# This is our main-alike piece of code                          #
+#   + Starts up the GUI                                         #
+#   + Gets values from GUI                                      #
+#   + Runs DeDupe_folder based on GUI inputs                    #
+# ------------------------------------------------------------- #
+if __name__ == '__main__':
+
+    source_folder = None
+    rc, source_folder = gg.GetPathBox('DeDuplicate a Folder\'s image files', 'Enter path to folder you wish to find duplicates in')
+    if rc is True and source_folder is not None:
+        FindDuplicatesFilesInFolder(source_folder)
+    else:
+        gg.MsgBox('Cancelling', '*** Cancelling ***')
+    exit(0)