Adding Functional\with()
Fixing 5.3 compatibility
Maintenance stats
Adding Functional\pick()

Pick a single element from a collection of objects or arrays by index.
If no such index exists, return the default value.
Merge pull request #42 from cuongthamhl/pick

Adding Functional\pick()
Merge branch 'master' into dev-php56

Conflicts:
	src/Functional/_import.php
PHP 5.6 compatibility
Merge branch 'master' into dev-php56
PHP 5.6