Add get command

Change-Id: Id06539070fb8d815786149e1479e93d75d4b70f1
diff --git a/src/interpreter.hpp b/src/interpreter.hpp
index fd14ffe..262b037 100644
--- a/src/interpreter.hpp
+++ b/src/interpreter.hpp
@@ -17,6 +17,7 @@
 
     void operator()(const commit_&) const;
     void operator()(const set_&) const;
+    void operator()(const get_&) const;
     void operator()(const cd_&) const;
     void operator()(const create_&) const;
     void operator()(const delete_&) const;
@@ -25,6 +26,7 @@
 private:
     template <typename T>
     std::string absolutePathFromCommand(const T& command) const;
+    std::string absolutePathFromCommand(const get_& command) const;
 
     Parser& m_parser;
     DatastoreAccess& m_datastore;