don't delete temp files on debug
force writing of tempfiles
better distinction between windos/unix
cleanup PreviewDiff function
changes have a higher priority than adds
moved a warning some level up in function stack
:ChangesCaption shows actual signs used
use b:diffhl for unplacing signs
fixed stupid wrong (undefined) variable name
ChangesLinesOverview uses setloclist() as it should
prevent, that neocomplcache closes the preview window
check highlighting does not exists before defining it
check for fg attribute, in case it was cleared
remove some old comments
check sorted difference definition
MakeDiff_new does not return buffer number
no call to "s:DefinedSignsNotExists() in s:DefineSigns(), happens already at caller side
reset b:changes_view_enabled when disabling the plugin