opt.showmode=false-- we don't need to see things like -- INSERT -- anymore
opt.showtabline=2-- always show tabs
opt.smartcase=O.smart_case-- smart case
opt.smartindent=true-- make indenting smarter again
opt.splitbelow=true-- force all horizontal splits to go below current window
opt.splitright=true-- force all vertical splits to go to the right of current window
opt.swapfile=false-- creates a swapfile
opt.termguicolors=true-- set term gui colors (most terminals support this)
opt.timeoutlen=O.timeoutlen-- time to wait for a mapped sequence to complete (in milliseconds)
opt.title=true-- set the title of window to the value of the titlestring
opt.titlestring="%<%F%=%l/%L - nvim"-- what the title of the window will be set to
opt.undodir=CACHE_PATH.."/undo"-- set an undo directory
opt.undofile=true-- enable persisten undo
opt.updatetime=300-- faster completion
opt.writebackup=false-- if a file is being edited by another program (or was written to file while editing with another program), it is not allowed to be edited