Update README.md

Author: capnramses

README.md

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 Code samples from the book *Professional Programming Tools for C and C++* by Anton Gerdelan and Katja Žibrek.
 The book information page is at [http://antongerdelan.net/pro_programming_tools_book/](http://antongerdelan.net/pro_programming_tools_book/).
 
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 ## How to use this Repository
 
 * This repository is split into folders, one for each code example.