v4.0.4

dbf5efb fix convert char to number
fe9a240 fix crash when restart activity
df60923 change set constant to runtime value, fix format date
58ba0dc add date, decodeDate function
291a586 change 3 space to 2 space
8992e22 highlight rgb, argb
7ab39e0 fix not highlight with keyword
2301765 highlight hex, octal, exp