Add CB <-> numeric "srg" names mappings

py chain.py 1.2.5/obf2num.srg 1.2.5/obf2cb.srg | sort > 1.2.5/cb2num.srg
py chain.py 1.3.1/obf2num.srg 1.3.1/obf2cb.srg | sort > 1.3.1/cb2num.srg
py chain.py 1.3.2/obf2num.srg 1.3.2/obf2cb.srg | sort > 1.3.2/cb2num.srg
py chain.py 1.4.2/obf2num.srg 1.4.2/obf2cb.srg | sort > 1.4.2/cb2num.srg
py chain.py 1.4.4/obf2num.srg 1.4.4/obf2cb.srg | sort > 1.4.4/cb2num.srg
py chain.py 1.4.5/obf2num.srg 1.4.5/obf2cb.srg | sort > 1.4.5/cb2num.srg
py chain.py 1.4.6/obf2num.srg 1.4.6/obf2cb.srg | sort > 1.4.6/cb2num.srg
py chain.py 1.4.7/obf2num.srg 1.4.7/obf2cb.srg | sort > 1.4.7/cb2num.srg
py chain.py 1.5/obf2num.srg 1.5/obf2cb.srg | sort > 1.5/cb2num.srg
py chain.py 1.5.1/obf2num.srg 1.5.1/obf2cb.srg | sort > 1.5.1/cb2num.srg