Log Message:
Updated p5-Scalar-List-Utils to 1.48.

1.48 -- 2017/06/23 17:29:42
	[CHANGES]
	 * Note in documentation that outer function's @_ can be accessed in
	   some blocks, but ought not be (thanks wchristian)

	[BUGFIXES]
	 * Ensure pairmap extends its stack correctly (thanks davem)
	 * Fix name of List::Util::unpairs in its error messages