Added check of return values ​​and call exceptions. The call to the install...

Added check of return values ​​and call exceptions. The call to the install logging level function from libdap_python_mod is also executed.

src/libdapConnector.py

 import json
 import libdap_python_module
 
+class DapIniException(Exception):
+    pass
+
 class Dap:
     def __init__(self, data):
         res = json.loads(data)
@@ -8,8 +11,14 @@ class Dap:
         self.config_dir=res['dap']['config_dir']
         self.log_level=res['dap']['log_level']
         self.application_name=res['dap']['application_name']
-#        dap.init('/opt/var/ler\njaryt\ndebug')
-        libdap_python_module.init(res['dap']['config_dir']+"\n"+res['dap']['application_name']+"\n")
+        res_init = libdap_python_module.init(res['dap']['config_dir']+"\n"+res['dap']['application_name']+"\n")
+        if res_init == -1 or res_init == -2:
+            raise DapIniException("Initialization erorr")
     def __del__(self):
         libdap_python_module.deinit()
+    def setLogLevel(self, data):
+        self.log_level=data
+        res_setLogLevel = libdap_python_module.setLogLevel(data)
+        if res_setLogLevel == -1:
+            raise DapIniException("Failed to set the logging level, perhaps you did correctly specify the name of the level")