some improve ftp class
some improve ftp class

git-svn-id: c293a1da8e7fe380f13590cbb9757e7d5abd80c5@10936 201d5d3c-b55e-5fd7-737f-ddc643e51545

ckstoa/xe,ibin79/xe-core,ibin79/xe-core,ckstoa/xe,hhgyu/xe-core,Vomvoru/xe-core,qkrcjfgus33/xe-core,Vomvoru/xe-core,wkpark/xe-core,hhgyu/xe-core,wkpark/xe-core,qkrcjfgus33/xe-core,janghwan/xe-core,hhgyu/xe-core,ckstoa/xe,qkrcjfgus33/xe-core,youprofit/xe-core,ibin79/xe-core,janghwan/xe-core,youprofit/xe-core,sejin7940/xe-core,xetown/xe-core,xetown/xe-core,janghwan/xe-core,youprofit/xe-core,Vomvoru/xe-core,sejin7940/xe-core,xetown/xe-core,wkpark/xe-core,sejin7940/xe-core