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).
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
added @DataProvider test for Groovy (#20)