Added various WSTRING tests
TEST RESULTS Failed Tests: 115 Succesful tests: 144 Tests: 259 Test suites: 23
Added support for WSTRING. Added test code WTRING. Corrected length check handling for STRING (and used the same for WSTRING).
This commit solves the following issues: "Implementing WSTRING support" "AssertEquals(ANY) for STRING and WSTRING should look at LEN/WLEN"