Minor cleanup.


git-svn-id: https://fricas.svn.sourceforge.net/svnroot/fricas/trunk@1518 b0c55286-4f34-0410-a049-a1e7e93b0762
Fix build with clisp.


git-svn-id: https://fricas.svn.sourceforge.net/svnroot/fricas/trunk@1519 b0c55286-4f34-0410-a049-a1e7e93b0762
Work around broken Gentoo sbcl.


git-svn-id: https://fricas.svn.sourceforge.net/svnroot/fricas/trunk@1520 b0c55286-4f34-0410-a049-a1e7e93b0762
Update a test.


git-svn-id: https://fricas.svn.sourceforge.net/svnroot/fricas/trunk@1521 b0c55286-4f34-0410-a049-a1e7e93b0762
Update comments and documentation.


git-svn-id: https://fricas.svn.sourceforge.net/svnroot/fricas/trunk@1522 b0c55286-4f34-0410-a049-a1e7e93b0762
Add package for matrix manipulation.


git-svn-id: https://fricas.svn.sourceforge.net/svnroot/fricas/trunk@1523 b0c55286-4f34-0410-a049-a1e7e93b0762
Update release notes.


git-svn-id: https://fricas.svn.sourceforge.net/svnroot/fricas/trunk@1524 b0c55286-4f34-0410-a049-a1e7e93b0762