Bug Fix, Modify Documents for Release

* All: Modify README.md for release. Add regression test for Issue #25.
* NuGet: Modify Prig.nuspec for release.
* Profiler: Fixed #25: Default parameterized method can't call indirectly. => When investigating the equality of parameters, the condition contained the flag whether it is default parameter or not. This flag is unnecessary when identifying the indirection target.
* Framework: Corrected the issue #25 with the way same as Profiler.