Log Message:
Update to 0.9918

Upstream changes:
0.9918 - 2017-04-15

  * Fix compiling under C++11
	https://rt.cpan.org/Ticket/Display.html?id=118846

  * Make version::regex variables public for better reuse
	https://rt.cpan.org/Ticket/Display.html?id=119669

  * Use rel2abs for require in tests to support 5.26.0 @INC
	https://rt.cpan.org/Ticket/Display.html?id=121148

  * Move change list to standard CHANGES out of README
	https://rt.cpan.org/Ticket/Display.html?id=119123

  * Better taint handling for Perl < 5.17.2 with tests
	https://rt.cpan.org/Ticket/Display.html?id=118087