Add photonlibpy (#1040)

* Added a pure-python implementation of photonlib, named photonlibpy and hosted on pypi

---------

Co-authored-by: Matt <matthew.morley.ca@gmail.com>

photon-lib/py/test/photonlibpy_test.py

@@ -0,0 +1,46 @@
+from photonlibpy.packet import Packet
+from photonlibpy.photonPipelineResult import PhotonPipelineResult
+from data import rawBytes1
+from data import rawBytes2
+from data import rawBytes3
+from data import rawBytes4
+from data import rawBytes5
+from data import rawBytes6
+
+
+def setupCommon(bytesIn):
+    res = PhotonPipelineResult()
+    packet = Packet(bytesIn)
+    res.populateFromPacket(packet)
+    assert packet.outOfBytes is False
+    return res
+
+
+def test_byteParse1():
+    res = setupCommon(rawBytes1)
+    assert len(res.getTargets()) == 0
+
+
+def test_byteParse2():
+    res = setupCommon(rawBytes2)
+    assert len(res.getTargets()) == 0
+
+
+def test_byteParse3():
+    res = setupCommon(rawBytes3)
+    assert len(res.getTargets()) == 0
+
+
+def test_byteParse4():
+    res = setupCommon(rawBytes4)
+    assert len(res.getTargets()) == 1
+
+
+def test_byteParse5():
+    res = setupCommon(rawBytes5)
+    assert len(res.getTargets()) == 1
+
+
+def test_byteParse6():
+    res = setupCommon(rawBytes6)
+    assert len(res.getTargets()) > 6