use PowerCache to decode
add unified elgamal.hpp
use bru-teforce if cache is not set
add ignore file
add test code for java
ignore relrease/debug
test of wrap elgamal

test of wrap elgamal
fix dispatch.py
no except for dec without cache
SystemInit requires hash param
add Zkp
update makefile
run well in debug mode on mac ; err in release mode
workaround ; return without throw if bad param in encWithZkp ; segv on mac
chmod 644 *.bat
add java files
update readme
update history
fix ; specify sha parameter
make jar