ENH: Print version info in a nice way

src/CaosDB.jl

@@ -270,9 +270,8 @@ to.
 """
 function get_version_info(con::Ref{CaosDBConnection})
 
-    println("Entering get_version_info...")
     info = Ref{CaosDB.Info.VersionInfo}(CaosDB.Info.VersionInfo())
-    println("Calling c function")
+
     err_code = ccall(
         (:caosdb_connection_get_version_info, "libccaosdb"),
         Cint,
@@ -280,7 +279,7 @@ function get_version_info(con::Ref{CaosDBConnection})
         info,
         con,
     )
-    println("Return code $err_code")
+
     # TODO Real error-code handling
     if err_code != 0
 
@@ -292,6 +291,29 @@ function get_version_info(con::Ref{CaosDBConnection})
 
 end
 
+"""
+    print_version_info(con::Ref{CaosDBConnection})
+
+Retrieve the version info for the CaosDB server `con` is connected to,
+and print the version in a nice message.
+"""
+function print_version_info(con::Ref{CaosDBConnection})
+
+    # Dereference to access the fields
+    info = get_version_info(con)[]
+
+    major = info.major
+    minor = info.minor
+    patch = info.patch
+    pre_release_str = unsafe_string(info.pre_release)
+    build_str = unsafe_string(info.build)
+
+    println(
+        "Connected to a CaosDB server with version $major.$minor.$patch-$pre_release_str-$build_str.",
+    )
+
+end
+
 function connect(
     host::AbstractString = nothing,
     port_str::AbstractString = nothing,
@@ -308,7 +330,7 @@ function connect(
 
     if port_str == nothing
 
-        port = CaosDB.Utility.get_env_var("CAOSDB_SERVER_GRPC_PORT_HTTPS", "localhost")
+        port = CaosDB.Utility.get_env_var("CAOSDB_SERVER_GRPC_PORT_HTTPS", "8443")
 
     end
 
@@ -337,6 +359,7 @@ function connect(
         CaosDB.Authentication.create_plain_password_authenticator(username, password)
     config = create_tls_connection_configuration(host, port, authenticator, provider)
     connection = create_connection(config)
+    print_version_info(connection)
 
     return connection