Return a newversion object where the next to the
last revision number is one greater (e.g., 5.3.1 => 5.4).
Pre-release (alpha) parts, e.g, 5.3.1.b.2 => 5.4, are ignored.
# File lib/rubygems/version.rb, line 228
def bump
@bump ||= begin
segments = self.segments
segments.pop while segments.any? { |s| String === s }
segments.pop if segments.size > 1
segments[-1] = segments[-1].succ
self.class.new segments.join(".")
end
end
