Un-inlined a few functions in lexer
Un-inlined a few functions in lexer

Parser speed reduced by about 10%.

kidaa/luacheck,linuxmaniac/luacheck,mpeterv/luacheck,tst2005/luacheck,tst2005/luacheck,mpeterv/luacheck,adan830/luacheck,kidaa/luacheck,linuxmaniac/luacheck,mpeterv/luacheck,xpol/luacheck,xpol/luacheck,xpol/luacheck,adan830/luacheck