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
Merge pull request #32 from klali/array_compare_fix

fix for Util.arrayCompare()
[-] fix https://github.com/licel/jcardsim/issues/33
Merge branch 'master' of https://github.com/licel/jcardsim.git
[-] fix https://github.com/licel/jcardsim/issues/23
[-] fix https://github.com/licel/jcardsim/issues/22
[+] Signature.ALG_DES_MAC8_ISO9797_1_M2_ALG3
[+] Test  https://github.com/licel/jcardsim/issues/13.
[*] Hierarchical algorithm for checking the superclass Applet
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
[+] Signature.ALG_DES_MAC8_ISO9797_1_M2_ALG3
[-] unused import
[*] new build
[*] rebase