correct failing test again
if empty terminal assume size 1 for diff
make diff detect mode, led & cursor changes
updated TermBuffer2, TermWriter and TermDiff doc usage
Merge remote-tracking branch 'c3ks/TermBuffer2' into TermBuffer2
correct diff format for leds & modes
update DOC on TermDiff structure
Merge pull request #52 from jedi4ever/TermBuffer2

re-correct failing test - diff changes for 'empty' buffs - mode&led changes