Added section about adding contextual information to log output.
treed9d90e67a338177f50a9d8e52d6cb8c5855c240f
drwxr-xr-x - Demo
drwxr-xr-x - Doc
drwxr-xr-x - Grammar
drwxr-xr-x - Include
-rw-r--r-- 13675 LICENSE
drwxr-xr-x - Lib
drwxr-xr-x - Mac
-rw-r--r-- 35752 Makefile.pre.in
drwxr-xr-x - Misc
drwxr-xr-x - Modules
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drwxr-xr-x - Python
-rw-r--r-- 55457 README
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drwxr-xr-x - Tools
-rwxr-xr-x 647607 configure
-rw-r--r-- 100227 configure.in
-rwxr-xr-x 7122 install-sh
-rw-r--r-- 28320 pyconfig.h.in
-rw-r--r-- 72413 setup.py