releases = Array.new release_map.keys
releases << cur_release unless releases.include?(cur_release)
releases.map! { |rel| prep_peg_order(rel) }
p releases.sort! do |rel1, rel2|
  nums1 = rel1.split(".").map{ |chunk| chunk.gsub(/\D/, "").to_i }
  nums2 = rel2.split(".").map{ |chunk| chunk.gsub(/\D/, "").to_i }

  longer = [nums1.length, nums2.length].max

  longer.times do |i|
    -1 if i == nums1.length
    1 if i == nums2.length
    nums1[i] <=> nums2[i] if nums1[i] != nums2[i]
  end
  0
end

lowerbound = release_map[releases[releases.index(cur_release) - 1]]