Added features increasing user friendliness of the software

Data/ThresholdFunctions.py

@@ -0,0 +1,64 @@
+import operator as __op
+
+
+class __Base():
+
+    def __init__(self):
+        self.name = "None"
+
+    def __str__(self):
+        return self.name
+
+
+class Greater(__Base):
+
+    def __init__(self):
+        self.name = ">"
+
+    def __call__(self, *args):
+        return __op.gt(*args)
+
+
+class GreaterOrEqual(__Base):
+
+    def __init__(self):
+        self.name = "≥"
+
+    def __call__(self, *args):
+        return __op.ge(*args)
+
+
+class Equal(__Base):
+
+    def __init__(self):
+        self.name = "="
+
+    def __call__(self, *args):
+        return __op.eq(*args)
+
+
+class NotEqual(__Base):
+
+    def __init__(self):
+        self.name = "≠"
+
+    def __call__(self, *args):
+        return __op.ne(*args)
+
+
+class LessOrEqual(__Base):
+
+    def __init__(self):
+        self.name = "≤"
+
+    def __call__(self, *args):
+        return __op.le(*args)
+
+
+class Less(__Base):
+
+    def __init__(self):
+        self.name = "<"
+
+    def __call__(self, *args):
+        return __op.lt(*args)