v9

• try to provide a simple solution about multiple modules want to hook same functions
• fix bug in v8

v7

• hook jniRegisterNativeMethods rather than search memory
• hook SystemProperties_set to prevent a critical problem on Android 9+ (see https://github.com/RikkaApps/Riru/blob/v7/riru-core/jni/main/jni_native_method.cpp#L162-L176)
• try to solve a magic problem (see https://github.com/RikkaApps/Riru/blob/77adfd6a4a6a81bfd20569c910bc4854f2f84f5e/riru-core/jni/main/jni_native_method.cpp#L55-L66)