First Commit
Add len() demo
Add sentence and word tokenization
Add for loop to tokenise sentences into words
Define function norm_text
Fix normtext function.

return() function must be aligned appropriately.  Function now
returns a list of lower case sentences.
Add function to calculate mean sentence length
Add commenting and text fetching function
Fix function names
Add GPL notification and clarified instructions
First commit
Merge branch 'master' of github.com:R-Morgan/python

Git repository was created locally with LICENCE and README having been
autogenerated on github.