Updated fetchprogram, ignores pycache, created ledtest with npn

fetchprogram

@@ -1,7 +1,7 @@
 #!/usr/bin/python3
 
 import os, sys
-lib_path = os.path.abspath(os.path.join('..', 'modules'))
+lib_path = os.path.abspath(os.path.join('.', 'modules'))
 sys.path.append(lib_path)
 import hdc1000
 import weight

modules/.gitignore

@@ -0,0 +1,2 @@
+__pycache__
+

testprograms/ledtest

@@ -0,0 +1,17 @@
+#!/usr/bin/python3
+
+import RPi.GPIO as GPIO
+import time
+import sys
+
+GPIO.setmode(GPIO.BCM)
+GPIO.setup(23, GPIO.OUT)
+
+GPIO.output(23, 0)
+
+while True:
+    time.sleep(1)
+    GPIO.output(23, 1)
+    time.sleep(1)
+    GPIO.output(23, 0)
+