+Version::Version()
+{
+ major = 0;
+ minor = 0;
+}
+
+Version::Version(unsigned short a, unsigned short i)
+{
+ major = a;
+ minor = i;
+}
+
+Version::Version(const string &s)
+{
+ vector<string> parts = split(s, '.');
+ major = lexical_cast<unsigned>(parts[0]);
+ minor = lexical_cast<unsigned>(parts[1]);
+}
+
+bool Version::operator>=(const Version &other) const
+{
+ return major>other.major || (major==other.major && minor>=other.minor);
+}
+
+