Update README

README.md

@@ -7,13 +7,14 @@
 - [czml3](https://pypi.org/project/czml3/)
 - [geojson](https://pypi.org/project/geojson/)
 
+## Other things you'll need:
+- [Cesium Ion Token](https://cesium.com/docs/tutorials/quick-start/)
+    - Create a single line file named ```accesstoken.txt```
+- [Extended XML Kerberos Software](https://github.com/ckoval7/kerberossdr)
+
 ## Usage: df-aggregator.py [options]
 
 ### Required inputs:
--  -g FILE, --geofile=FILE
-    - GeoJSON Output File
-    - Conventional file extension: .geojson
-
 -  -r FILE, --receivers=FILE
     - List of receiver URLs
     - Do not include quotes. Each receiver should be on a new line.
@@ -24,10 +25,14 @@
     - Post processing math is done against the entire database.
 
 ### Optional Inputs:
+-  -g FILE, --geofile=FILE
+    - GeoJSON Output File
+    - Conventional file extension: .geojson
+
 -  -e Number, --epsilon=Number
     - Max Clustering Distance, Default 0.2.
     - 0 to disable clustering.
-    - Point spread across a larger geographoical area should require a smaller value.
+    - Point spread across a larger geographical area should require a smaller value.
     - Clustering should be disabled for moving targets.
 
 -  -c Number, --confidence=Number
@@ -40,12 +45,15 @@
 
 -  -m Number, --min-samples=Number
     - Minimum samples per cluster. Default 20
-    - A higher value can yeild more accurate results, but requires more data.
+    - A higher value can yield more accurate results, but requires more data.
+
+-  --ip=IP ADDRESS
+    - IP Address to serve from. Default 127.0.0.1
+
+-  --port=NUMBER
+    - Port number to serve from. Default 8080
 
--  --dist-from-reference=Number
-    - The default is 500 km.
-    - When there are more than two receivers, the intersect with the strongest average signal
-  is marked as a reference point.
-    - Any intersections that exceed the specified distance from the reference are thrown out.
+-  --debug
+    - Does not clear the screen. Useful for seeing errors and warnings.
 
   ![Screenshot](https://lh3.googleusercontent.com/pw/ACtC-3cWY5AnjUy0xCjxchQALfPR1TSrLotyCsFNOW5KJF9k4tjv3HRTfrk6KdtYhktbgaNbr0Y6mauIQMyDqEPSFYSOKuR0o2ThnVuS1lxtqmGVuS0RABjSYBHh8dfOddLIq4_AbCAI60Fp013WdoxXn25-MA=w1560-h837-no?authuser=0)