Improved estimation by excluding NAN paths.

git-svn-id: http://svn.finmath.net/finmath%20lib/trunk@1419 48fcbb9e-5639-0410-8b25-842128a4905d
Added more detailed constructor. Restricted periods to at least one day.

git-svn-id: http://svn.finmath.net/finmath%20lib/trunk@1420 48fcbb9e-5639-0410-8b25-842128a4905d
Improved / fixed analytic interpolation.

git-svn-id: http://svn.finmath.net/finmath%20lib/trunk@1421 48fcbb9e-5639-0410-8b25-842128a4905d
Code cleanup.

git-svn-id: http://svn.finmath.net/finmath%20lib/trunk@1422 48fcbb9e-5639-0410-8b25-842128a4905d
Code cleanup.

git-svn-id: http://svn.finmath.net/finmath%20lib/trunk@1423 48fcbb9e-5639-0410-8b25-842128a4905d
[maven-release-plugin] prepare release finmath-lib-1.2.44

git-svn-id: http://svn.finmath.net/finmath%20lib/trunk@1424 48fcbb9e-5639-0410-8b25-842128a4905d
[maven-release-plugin] prepare for next development iteration

git-svn-id: http://svn.finmath.net/finmath%20lib/trunk@1426 48fcbb9e-5639-0410-8b25-842128a4905d
Added isNaN method.

git-svn-id: http://svn.finmath.net/finmath%20lib/trunk@1427 48fcbb9e-5639-0410-8b25-842128a4905d