Update error correction

.gitignore/error correction

@@ -163,3 +163,22 @@ def stripFrames(frames):
         (payload, parityColumn, parityRow) = splitFrame(frame)
         newFrames.append(payload)
     return newFrames
+
+def bin2string(frame, fill):
+    """ takes an 8x8 frame and fill and returns the string ecoded by the frame"""
+    string = []
+    for n in frame:
+            char = e.bin2char(n)
+            if char != fill:
+                string.append(char)
+    string = ''.join(string)
+    return string     
+
+def frames2string(frames, fill):
+    """iterates over each frame in a list of frames and returns the strings encoded by the frames"""
+    newStrings = []
+    for frame in frames:
+        s1 =  bin2string(frame, fill)
+        newStrings.append(s1)
+    newStrings = ''.join(newStrings)
+    return newStrings