gradlized
Merge pull request #1 from zaki50/gradlized

merge zaki50's gradlized, thx!
Fix typo(CHAR_SERIAL_NUMBEAR_STRING -> CHAR_SERIAL_NUMBER_STRING)
Merge pull request #2 from zaki50/fix_typo

Fix typo(CHAR_SERIAL_NUMBEAR_STRING -> CHAR_SERIAL_NUMBER_STRING) thx for zaki50