whatweb | 3 2 + 1 - 0 !
1 file changed, 2 insertions(+), 1 deletion(-)

 ruby 1.9.x deprecated config in favour of rbconfig
 Check if it uses a new Ruby version and use RbConfig then, remain with Config
 otherwise.

whatweb | 4 3 + 1 - 0 !
1 file changed, 3 insertions(+), 1 deletion(-)

 use fallback gem.available() only when run with ruby1.8.x
 WhatWeb now uses Specification::find_all_by_name() , but if the Gem is not
 present, unconditionally fall back to Gem.available() . Add a check for Ruby
 1.8 first.
 .