add elems file
helper closestElem
elements declarator
other basic methods
fix native buildSelector helper
basic DOM static methods
getParent helper
execution of onSetMod and onElemSetMod handlers
provide correct objects
findElem helper
helpers to search element instances
live initialization
temporary fix for the elements modifiers cache problem
strict mode
findDomElem stub
move buildClass and buildSelector methods to i-bem__dom
copy code to i-bem__dom's modifier _elems_yes
correct way to inherit
todo
move elem 'elems' to modifier '_elems_yes' of i-bem