Generic warnings in eclipse fixed.
Generic warnings in eclipse fixed.

Class is now Class<?> for the Class objects used in the and tests.
lemire/RoaringBitmap,lemire/RoaringBitmap,lemire/RoaringBitmap,gssiyankai/RoaringBitmap,okrische/RoaringBitmap,RoaringBitmap/RoaringBitmap,okrische/RoaringBitmap,gssiyankai/RoaringBitmap,RoaringBitmap/RoaringBitmap,lemire/RoaringBitmap,RoaringBitmap/RoaringBitmap,RoaringBitmap/RoaringBitmap,okrische/RoaringBitmap,gssiyankai/RoaringBitmap