builtin reverse to std.algorithm.reverse

now a warning in dmd

builtin sort to std.algorithm.sort

now a warning in dmd

std.algorthim.reverse returns void
Merge pull request #434 from John-Colvin/patch-2

use std.algorithm, not builtin array sort/reverse
Upgrade Travis test to LDC 0.14.0 and add linker workaround.
Fix ctRegex unstable parser
Merge pull request #441 from etcimon/ctregex-unstable

Fix ctRegex unstable parser
Initialize regex engines lazily. See #441.
DFix the code
Merge pull request #443 from Geod24/dfix-code

DFix the code
Avoid catching Error instances in various places. See #443.
Avoid awkward mixture of format() and string concatenation.