add lua 5.3-w2 tree
re-write for Lua 5.3 & utf8 support
re-write for Lua 5.3 & utf8 support
Merge branch 'unicode-support' of github.com:2ion/lua-column into unicode-support
re-write for Lua 5.3 & utf8 support
localize argument scopes
finished the calculation parts
finished the calculation parts
fixed bug on row change
updated the readme
finished!