Fixes issue with reading parameters from file which have "special" characters. The readers were using system default encoding which does not always work. UTF-8 is default if no encoding is set.
Fixes issue with reading parameters from file which have "special" characters. The readers were using system default encoding which does not always work.
UTF-8 is default if no encoding is set.

Also added a test cases for the new functionality.

Pragmatists/JUnitParams,ukcrpb6/JUnitParams,ukcrpb6/JUnitParams,Pragmatists/JUnitParams