Remove calls to impure mathlib functions.
Make std.string.chomp @safe
Make std.string.chomp pure
Make the constructor of std.string.StringException @safe and pure
Add "Africa/Tripoli" from/to "Libya Standard Time"
Make std.string.indexOf @safe
Merge pull request #1481 from tom-tan/safe-string-StringException

Make the constructor of std.string.StringException @safe and pure
Merge pull request #1480 from tom-tan/safe-string-chomp

Make std.string.chomp @safe
fix debugging versions, make them truly independent
centralize escapables, kill "prefix comma continues a line"
space around operators batch #1
space around operators batch #2
space around operators batch #3
Merge pull request #1471 from blackwhale/regex-cleanup-2

Regex code cleanup
Mark std.string.indexOf as @safe
Mark the constructor of std.string.StringException as nothorw
Merge pull request #1482 from 9rnsr/fix_win_timezone

Add "Africa/Tripoli" from/to "Libya Standard Time"
Merge pull request #1488 from tom-tan/nothrow-string-StringException

Mark the constructor of std.string.StringException as nothorw
Replace trusted lambda block with trusted nested function
Implement pure floor()/ceil().