Add switch for ruby 1.8
Add switch for ruby 1.8

pravi/typhoeus,kkirsche/typhoeus,t3hpr1m3/typhoeus,PericlesTheo/typhoeus,AvnerCohen/typhoeus,EddyLuten/typhoeus,sportngin/typhoeus,nju520/typhoeus,nevans/typhoeus,tompscanlan/typhoeus,telekomatrix/typhoeus,wcmonty/typhoeus,bitgal/typhoeus,typhoeus/typhoeus,tinfoil/typhoeus