Version 2.2.3. Made various C++ functions compatible with non-integer values. Hopefully this fixes bug in rle2 and several other bugs that would have arisen. 

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/accelerometry@61 edb9625f-4e0d-4859-8d74-9fd3b1da38cb