fixing dolfyn imports from pip

mhkit/dolfyn/__init__.py

@@ -1,3 +1,4 @@
-from mhkit.dolfyn.io.api import read, read_example, save, load, save_mat, load_mat
-from mhkit.dolfyn.rotate.api import rotate2, calc_principal_heading, set_declination
+from mhkit.dolfyn import io
+from mhkit.dolfyn import rotate
 from mhkit.dolfyn import time
+from mhkit.dolfyn import tools

mhkit/dolfyn/io/__init__.py

@@ -0,0 +1,9 @@
+from mhkit.dolfyn.io import _read_bin
+from mhkit.dolfyn.io import api
+from mhkit.dolfyn.io import base
+from mhkit.dolfyn.io import nortek_defs
+from mhkit.dolfyn.io import nortek
+from mhkit.dolfyn.io import nortek2_defs
+from mhkit.dolfyn.io import nortek2_lib
+from mhkit.dolfyn.io import nortek2
+from mhkit.dolfyn.io import rdi

mhkit/dolfyn/rotate/__init__.py

@@ -0,0 +1,6 @@
+from mhkit.dolfyn.rotate import api
+from mhkit.dolfyn.rotate import awac
+from mhkit.dolfyn.rotate import base
+from mhkit.dolfyn.rotate import rdi
+from mhkit.dolfyn.rotate import signature
+from mhkit.dolfyn.rotate import vector

mhkit/dolfyn/tools/__init__.py

@@ -0,0 +1 @@
+from mhkit.dolfyn.tools import misc