std.range.package init

delete range.d

std.range : move traits

move concept

1. traits => concept
2. move manipulation into concept

update package import

update module name

remove range.traits import

remove some local imports

add _swapImpl

move _swapImpl

fix _swapImpl

fix hasSlicing

restore old hasSwappableElements

update unittests

update unitises

fix module name

fix pop****N

move interfaces

update unites

add import std.typetuple : staticMap

clean imports

rename local min to _min

remove wrong scope import

add until for unittests

update *.mac

update import

optimize DList import