added version info, refs #4

src/pcsc.hxx

@@ -41,6 +41,7 @@
     #define MAX_ATR_SIZE 33
   #endif
   namespace pcsc {
+    
     #ifdef UNICODE
       inline std::wstring strconv(std::string s) {
         return std::wstring(s.begin(), s.end());
@@ -76,6 +77,10 @@
 #include <map>
 #include <memory>
 
+namespace pcsc {
+  std::string version();
+}
+
 #include <sstream>
 #include <iomanip>