first attempts on #20
implemented #20 using comma separated strings as parameters for one data
provider test
implemented unit tests for #20
use *.valueOf(String) instead of *.parse*(String)
added feature and exmample to README.md; some more tests
Further improvements
better formatting
adjusted some wording for #20
added possiblity to use enum in @DataProvider (#20)
added support for primitive wrapper types (#20)
added additional types to README.md
The String "null" will be always be passed as null object (#20).
better wording (thanks @janschaefer)
removed second constructor from DataProviderFrameworkMethod to clarify interface and simplify tests
fixed javadoc and comment
just do validation of data provider method once, adjusted validation method similiar to JUnits validation methods
removed unnecessary exception and renamed test
moved parameters formatting to separate class; adjusted, refactored and added tests for parameters formatting (#23)
added release notes for #23 to README.md
Merge branch 'provide.data.directly.in.annotation' (closed #20)

* provide.data.directly.in.annotation:
  The String "null" will be always be passed as null object (#20).
  added additional types to README.md
  added support for primitive wrapper types (#20)
  added possiblity to use enum in @DataProvider (#20)
  adjusted some wording for #20
  better formatting
  Further improvements
  added feature and exmample to README.md; some more tests
  use *.valueOf(String) instead of *.parse*(String)
  implemented unit tests for #20
  implemented #20 using comma separated strings as parameters for one data provider test
  first attempts on #20