add `-c` option and some changes
Rewrite to more readable code. Now repl's default package is cl-user
correctly set `CIM_HOME`
Add ruby to the backend of `__cim_wget`
Around REPL: make correctly get terminal width, do not allow rlwrap to accept multiple input. Other: correct error message
Revert "Around REPL: make correctly get terminal width, do not allow rlwrap to accept multiple input. Other: correct error message"

This reverts commit d3fd2fecbee45abc6ab1ab548dbdcef3286af052.
add files that installer creats
fix around initialization