add sha256
add tests for sha256
[*] The new artifact jcardsim-2.2.2-all.jar added. Build scripts are adapted. MessageDigest was modified in accordance with JC2.2.2.
[+] SHA384/512 + NIST TESTS
[*] new build
fix for Util.arrayCompare()

failed comparisons where arrays contained values over 0x7f
fix this by up-casting to short and comparing, also add a small test
[-] fix https://github.com/licel/jcardsim/issues/33
[-] fix https://github.com/licel/jcardsim/issues/23
[-] fix https://github.com/licel/jcardsim/issues/22
[+] HMAC + RFC TESTS
[-] unused import
[+] RFC HMAC-RIPEMD160 TESTS
[+] Signature.ALG_DES_MAC8_ISO9797_1_M2_ALG3
[+] Signature.ALG_DES_MAC8_ISO9797_1_M2_ALG3
[*] clean
add sha256
add tests for sha256
[*] The new artifact jcardsim-2.2.2-all.jar added. Build scripts are adapted. MessageDigest was modified in accordance with JC2.2.2.
[+] SHA384/512 + NIST TESTS
[*] new build