Proposal for custom time string formatting in std.datetime

[zhang]

> > As for big module, my solutions are:
> > 1) put related modules into a package (or directory)
> > 2) add a module named all.d into the directory, and this module will import all the other modules publicly
> > 3) now just import the *all* module when needed
> 
> Here we have yet another example of some one who wants to use "import 
> foo.*;".
Yeah, a module is just a file. So, the file name wildcards seem can be use for module names.
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Zhang <bitworld at qq.com>