Refactor: Make 'Time#estimated' and 'Time#elapsed' private
Refactor: Make 'Time#estimated' and 'Time#elapsed' private

The diff on this looks awful, but all we really did was move the 'private'
keyword.

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Branch:        refactor/massive-update
Signed-off-by: Jeff Felchner <8a84c204e2d4c387d61d20f7892a2bbbf0bc8ae8@thekompanee.com>

jfelchner/ruby-progressbar,jfelchner/ruby-progressbar