fix: Fail to transer strings begin with '-'
Update slimux.vim

Added s:GetBuffer() and SlimuxREPLSendBuffer for sending whole buffer. I don't know Vim Script, so there might be useless code there. I was tired of ggVG<Leader>s<C-o><C-o>.
Merge branch 'range' of https://github.com/dvbuntu/slimux
Merge branch 'master' of https://github.com/flexdec/slimux

Conflicts:
	plugin/slimux.vim
Add REPL support for racket.
Update readme for racket.vim key bindings.
[racket] fix bug: sent wrong content calling 'eval-defun' when sitting inside
         quotes
add option: g:slimux_select_from_current_window
Merge branch 'lotabout-master'