diff --git a/Debug/cli/cli.c b/Debug/cli/cli.c
index 149d12d..5c83ee6 100644
--- a/Debug/cli/cli.c
+++ b/Debug/cli/cli.c
@@ -159,15 +159,12 @@ void CLI_process()
 			}
 			else
 			{
-			// Only do command-related stuff if there was actually a command
-			// Avoids clogging command history with blanks
+				// Add the command to the history
+				CLI_saveHistory( CLILineBuffer );
 
 				// Process the current line buffer
 				CLI_commandLookup();
 
-				// Add the command to the history
-				CLI_saveHistory( CLILineBuffer );
-
 				// Keep the array circular, discarding the older entries
 				if ( CLIHistoryTail < CLIHistoryHead )
 					CLIHistoryHead = ( CLIHistoryHead + 1 ) % CLIMaxHistorySize;
@@ -425,6 +422,11 @@ inline void CLI_saveHistory( char *buff )
 		return;
 	}
 
+        // Don't write empty lines to the history
+        const char *cursor = buff;
+        while (*cursor == ' ') { cursor++; } // advance past the leading whitespace
+        if (*cursor == '\0') { return ; }
+
 	// Copy the line to the history
 	int i;
 	for (i = 0; i < CLILineBufferCurrent; i++)
diff --git a/Scan/ISSILed/exampleAPI.bash b/Scan/ISSILed/exampleAPI.bash
index be869fa..7993c38 100755
--- a/Scan/ISSILed/exampleAPI.bash
+++ b/Scan/ISSILed/exampleAPI.bash
@@ -3,9 +3,15 @@
 # Virtual Serial Port API Example
 # Jacob Alexander 2015
 
+if [ $# -eq 0 ]; then
+  echo "You must specify your virtual serialport. (/dev/ttyACM0 on linux, /dev/cu.usbmodemXXXX on OSX)"
+  echo "  ex: $0 /dev/ttyACM0"
+  exit 1
+fi
 # XXX Set this to match your virtual serialport
-# TODO Show examples for Mac OSX and Cygwin/Windows
-SERIALPORT=/dev/ttyACM0
+# TODO Show examples for Cygwin/Windows
+# For Mac OSX it will be something like /dev/cu.usbmodem1413 (number may differ)
+SERIALPORT=$1
 
 # NOTE: Make sure you don't write too quickly to the serial port, it can get overwhelmed by a modern computer
 #       Generally this just means commands will get ignored
diff --git a/Scan/STLcd/bitmap2Struct.py b/Scan/STLcd/bitmap2Struct.py
index dcf30c6..6f2cbf1 100755
--- a/Scan/STLcd/bitmap2Struct.py
+++ b/Scan/STLcd/bitmap2Struct.py
@@ -19,7 +19,7 @@
 import sys
 
 from array import *
-from PIL import Image
+from PIL import Image # Use pillow instead of PIL, it works with Python 3
 
 
 # Convenience class to deal with converting images to a C array
@@ -110,7 +110,10 @@ class STLcdGraphic:
 		return display
 
 
-filename = "ic_logo_lcd.bmp"
+filename = sys.argv[1]
+if filename is None:
+	print( "You must specify a bitmap filename. Try './bitmap2Struct.py ic_logo_lcd.bmp'" )
+	sys.exit( 1 )
 max_height = 32
 max_width = 128
 x_offset = 0
diff --git a/Scan/STLcd/exampleAPI.bash b/Scan/STLcd/exampleAPI.bash
index c2a611e..ae470b3 100755
--- a/Scan/STLcd/exampleAPI.bash
+++ b/Scan/STLcd/exampleAPI.bash
@@ -3,9 +3,15 @@
 # Virtual Serial Port API Example
 # Jacob Alexander 2015
 
+if [ $# -eq 0 ]; then
+  echo "You must specify your virtual serialport. (/dev/ttyACM0 on linux, /dev/cu.usbmodemXXXX on OSX)"
+  echo "  ex: $0 /dev/ttyACM0"
+  exit 1
+fi
 # XXX Set this to match your virtual serialport
-# TODO Show examples for Mac OSX and Cygwin/Windows
-SERIALPORT=/dev/ttyACM0
+# TODO Show example for Cygwin/Windows
+# For Mac OSX it will be something like /dev/cu.usbmodem1413 (number may differ)
+SERIALPORT=$1
 
 # NOTE: Make sure you don't write too quickly to the serial port, it can get overwhelmed by a modern computer
 #       Generally this just means commands will get ignored