Fix Cygwin issues [Tony Cook]
avoid conflicting static / dllexport on legacy perls too
This probably fixes rt.cpan.org 72313 and 71964.
(3928a66ad4bd8aee704eda1942b7877c0ff1ab2c in core)Convert ` to ' [James Keenan]
55bee391aeff3c3b8d22fa4ce5491ee9440028aa and
6dfee1ec62c64d7afe8ced4650596dd9e7f71a63 in coreAvoid some test-time warnings [Zefram]
97bae9c59cd181b3b54061213ec1fdce0ccb30d4 in core