Add project template, configuration files and scripts.
Add item_exists to wrap find_if.
Add remove_if to wrap remove_if.
Add copy_if to wrap remove_copy_if.
Add find_item to wrap find_if.
Add run.sh and build-and-run.sh.
Add 'item' to wrapper names to avoid name collisions.
Add example of using currying (binding only the 1st parameter and leaving the second open).
Move wrappers to header.
Rename test source accordingly.