New release

Updated curl min required version

Added option to build static/dynamic library

Removed wrong get_info and is_finished methods. Now get_next_finished…

… returns a complete object including the related easy_handler. This should solve JosephP91#76 and JosephP91#90

curlcpp is now build as dynamic library, general fixes

General warning removal to fix JosephP91#124

Removed biicode unused config file and fixed error described in issue J…

…osephP91#127

Removed biicode unused config file and fixed error described in issue J…

…osephP91#127

Fixed README.md examples.

Update .gitignore