Merge.


[SVN r15319]
Merge.


[SVN r15320]
Merge.


[SVN r15321]
uBLAS added


[SVN r15383]
Minor bugfixes.


[SVN r15445]
Decreased compile time


[SVN r15457]
Decrease compile times for regression testing.


[SVN r15469]
More bugfixes and small sparse matrix enhancements.


[SVN r15787]
Many bugfixes and improvements, especially related to sparse matrices.
Thanks namely to Kresimir Fresl and Michael Stevens this time.


[SVN r16183]
More bug fixes and a small, but important improvement.


[SVN r16199]
Bugfixes and compatibility hacks.


[SVN r16317]
Again bugfixes and compatibility hacks.


[SVN r16439]
More compatibility fixes.


[SVN r16469]
Many fixes. Namely thanks to John Maddock for porting to Kylix and to Alexei Novakov for his sparse matrix related work.


[SVN r17018]
Typo fixed.


[SVN r17036]
boost::numeric::interval support and cosmetical fixes


[SVN r17106]
Documentation update and some fixes.


[SVN r17184]
More bug fixes.


[SVN r17336]
More fixes.


[SVN r17504]
Fix for a regression w.r.t. MSVC 6.0


[SVN r17589]