Improved pause/resume mechanism.

src/net/Job.h

@@ -55,6 +55,8 @@ public:
     static inline uint64_t toDiff(uint64_t target) { return 0xFFFFFFFFFFFFFFFFULL / target; }
     static void toHex(const unsigned char* in, unsigned int len, char* out);
 
+    bool operator==(const Job &other) const;
+
 private:
     bool m_nicehash;
     int m_poolId;