Minor code improvements

inkycal/custom/__init__.py

@@ -1 +1,2 @@
 from .functions import *
+from .inkycal_exceptions import *

inkycal/custom/functions.py

@@ -243,7 +243,7 @@ def internet_available():
 
     Returned output can be used to add a check for internet availability:
 
-    >>> if internet_available() == True:
+    >>> if internet_available():
     >>> #...do something that requires internet connectivity
     """
 

inkycal/custom/inkycal_exceptions.py

@@ -0,0 +1,16 @@
+#!python3
+"""
+Inkycal custom Exceptions
+"""
+
+
+class SettingsFileNotFoundError(Exception):
+    def __init__(self, message="Inkycal could not find a settings.json file. Please check the settings-file path"):
+        self.message = message
+        super().__init__(self.message)
+
+
+class NetworkNotReachableError(Exception):
+    def __init__(self, message="Inkycal could not establish a connection to the web"):
+        self.message = message
+        super().__init__(self.message)