Using new basetoolkit function for unique naming

applied to source and snapshot names

BaseToolkit.h

@@ -1,6 +1,7 @@
 #ifndef BASETOOLKIT_H
 #define BASETOOLKIT_H
 
+#include <list>
 #include <string>
 
 namespace BaseToolkit
@@ -9,6 +10,9 @@ namespace BaseToolkit
 // get integer with unique id
 uint64_t uniqueId();
 
+// proposes a name that is not already in the list
+std::string uniqueName(const std::string &basename, std::list<std::string> existingnames);
+
 // get a transliteration to Latin of any string
 std::string transliterate(std::string input);
 
@@ -18,6 +22,7 @@ std::string byte_to_string(long b);
 // get a string to display bit size with unit Kbit, MBit, Gbit, Tbit
 std::string bits_to_string(long b);
 
+
 }