directly referencing clone
updating externs
helpers need to be global
including all node tests
go through global to clone dates in Object.clone
fall back to empty args
fixing some no-conflict test stragglers
can now get rid of the global context reference outside core
preparing for using module.exports in core
rewrote base64 encoding/decoding to take node Buffers into account and
also not error on utf8
adding a reference to Sugar in the global object to help node testing
build for 1.5.0