minor cleanup
replace can now work on visual selection; but rather large growth of complexity of implementation
Added a fullscreen (without decorations) to Alt-Shift-Z
more debugging notes
store and restore wrapscan
Another redir wrapper: CopyCommandOutput
various mappings; added SearchHelp (poor imitation of helpgrep) and CycleYanks
do not restore 'args' from session: those buffers may have been closed
force formatoptions; added vim-sparkup