ENH: Added check when DataSet constructor gets path to the file, which is not...

ENH: Added check when DataSet constructor gets path to the file, which is not a correct DataSet archive.

src/DataSet/DataSet.cpp

@@ -22,8 +22,13 @@ namespace lib4neuro {
     DataSet::DataSet(std::string file_path) {
         std::ifstream ifs(file_path);
         if(ifs.is_open()) {
-            boost::archive::text_iarchive ia(ifs);
-            ia >> *this;
+            try {
+                boost::archive::text_iarchive ia(ifs);
+                ia >> *this;
+            }catch(boost::archive::archive_exception& e) {
+                THROW_RUNTIME_ERROR("Serialized archive error: '" + e.what() + "'! Please, check if your file is really "
+                                                                               "the serialized DataSet.");
+            }
             ifs.close();
         } else {
             THROW_RUNTIME_ERROR("File " + file_path + " couldn't be open!");