fix various typos all over the code

Change-Id: Ic8392a951bf94f67b51e35bed95d0e856f7a9250
diff --git a/pySim/ts_31_103.py b/pySim/ts_31_103.py
index effdbf7..cea4832 100644
--- a/pySim/ts_31_103.py
+++ b/pySim/ts_31_103.py
@@ -126,7 +126,7 @@
 
 # TS 31.103 Section 4.2.9
 class EF_GBABP(TransparentEF):
-    def __init__(self, fid='6fd5', sfid=None, name='EF.GBABP', desc='GBA Bootstrappng'):
+    def __init__(self, fid='6fd5', sfid=None, name='EF.GBABP', desc='GBA Bootstrapping'):
         super().__init__(fid=fid, sfid=sfid, name=name, desc=desc)
 
 # TS 31.103 Section 4.2.10