[kalgebra] (10 commits) ...Merge branch 'f18' into f17

[Rex Dieter]

Summary of changes:

  1dccb99... 4.8.4 (*)
  13912a2... 4.8.5 (*)
  b2bfb71... Merge branch 'master' into f17 (*)
  366f58d... Merge branch 'f18' into f17 (*)
  cc843d4... Merge branch 'f18' into f17 (*)
  e031d09... Merge branch 'f18' into f17 (*)
  fcf7634... 4.9.5 (*)
  9832ccf... Merge branch 'f18' into f17 (*)
  6072020... Merge branch 'master' into f18 (*)
  22e9c5b... Merge branch 'f18' into f17 (*)

(*) This commit already existed in another branch; no separate mail sent