Exception handling from constructors for slsDetector and multiSlsDetector, zmqsockets deleted first in multi freeshm/constructor, removed unnecessary exceptions from exceptions list, replaced in slsDetector socket assign from NULL to 0

slsReceiverSoftware/include/sls_receiver_exceptions.h

@@ -10,26 +10,30 @@
 #include <iostream>
 #include <exception>
 
+struct SlsDetectorPackageExceptions : public std::exception {
+public:
+	SlsDetectorPackageExceptions() {}
+    std::string GetMessage() const { return "SLS Detector Package Failed";};
+};
 
-struct SharedMemoryException : public std::exception {
+struct SharedMemoryException : public SlsDetectorPackageExceptions {
 public:
     SharedMemoryException() {}
     std::string GetMessage() const { return "Shared Memory Failed";};
 };
 
-struct ThreadpoolException : public std::exception {
+struct ThreadpoolException : public SlsDetectorPackageExceptions {
 public:
 	ThreadpoolException() {}
 	std::string GetMessage() const { return "Threadpool Failed";};
 };
 
-struct SocketException : public std::exception {
+struct SocketException : public SlsDetectorPackageExceptions {
 public:
 	SocketException() {}
 	std::string GetMessage() const { return "Socket Failed";};
 };
 
-
 struct SamePortSocketException : public SocketException {
 public:
 	SamePortSocketException() {}