start abf reading functionality

coa_detection/AbfData.py

+import pyabf
+
+class AbfData:
+    """Class for squiggle data extracted from an axon binary file
+
+    """
+
+    def __init__(self, abf_fn, normalization, lowpass_freq):
+        self.abf_fn = abf_fn
+        self.normalization = normalization
+        self.lowpass_freq = lowpass_freq
+        self.raw = None
+
+    @property
+    def raw(self):
+        return self._raw
+
+    @raw.setter
+    def raw(self, _):
+        with pyabf.ABF(self.abf_fn) as fh:
+            self._raw = fh.sweepY
+            # self.time = fh.sweepX