Update CppSQLite3.h

Closes #1

Author: jasonmelton

CppSQLite3.h

@@ -267,6 +267,11 @@ class CppSQLite3Statement
     void bind(int nParam, const double dwValue);
     void bind(int nParam, const unsigned char* blobValue, int nLen);
     void bindNull(int nParam);
+    
+    // Inline overload to support calling with (int, std::string)
+    void bind(int nParam, const std::string& value) {
+        bind(nParam, value.c_str());
+    }
 
     void reset();