Add imports to package top-level init

Author: vinisalazar

erddapy/__init__.py

@@ -1,9 +1,17 @@
 """Easier access to scientific data."""
 
 from erddapy.erddapy import ERDDAP
+from erddapy.objects import ERDDAPConnection, ERDDAPServer, GridDataset, TableDataset
 from erddapy.servers.servers import servers
 
-__all__ = ["ERDDAP", "servers"]
+__all__ = [
+    "ERDDAP",
+    "servers",
+    "ERDDAPConnection",
+    "ERDDAPServer",
+    "TableDataset",
+    "GridDataset",
+]
 
 try:
     from ._version import __version__

erddapy/objects/__init__.py

@@ -6,7 +6,7 @@
 """
 
 
-from objects import (
+from .objects import (
     ERDDAPConnection,
     ERDDAPDataset,
     ERDDAPServer,