2.0.2

Update log:

• Deprecated callMethods and addCall methods to eliminate ambiguity; replaced with callerMethods and addCaller.
• DexClass, DexMethod, and DexField now implement ISerializable instead of java.io.Serializable.
• Optimized InstanceUtil reflection performance with the addition of WeakCache.
• Fixed potential unexpected results when setting searchPackages parameter. For example, searchPackages("com.aa") could result in class Lcom/aab;.