Fixed some of the issues that came up during restructuring

setup.py

@@ -24,7 +24,7 @@ with open('tupak/' + version_file, 'w+') as f:
 
 setup(name='tupak',
       version='0.1',
-      packages=['tupak'],
+      packages=['tupak', 'tupak.core', 'tupak.gw'],
       package_dir={'tupak': 'tupak'},
       package_data={'tupak': ['noise_curves/*.txt', 'prior_files/*.txt',
                               version_file]}

test/example_tests.py

@@ -9,6 +9,8 @@ from past.builtins import execfile
 import tupak.core.utils
 
 # Imported to ensure the examples run
+import numpy as np
+import inspect
 
 tupak.core.utils.command_line_args.test = True
 

tupak/__init__.py

@@ -6,7 +6,7 @@ Tupak is The User friendly Parameter estimAtion Kode
 
 The aim of tupak is to provide user friendly interface to perform parameter
 estimation. It is primarily designed and built for inference of compact
-binary coalesence events in interferometric data, but it can also be used for
+binary coalescence events in interferometric data, but it can also be used for
 more general problems.
 
 For installation instructions see https://git.ligo.org/Monash/tupak
@@ -17,7 +17,6 @@ For installation instructions see https://git.ligo.org/Monash/tupak
 from __future__ import print_function, division, absolute_import
 
 # import local files, utils should be imported first
-import tupak
 from tupak.gw import detector, conversion, source, waveform_generator
 from tupak.core import likelihood, prior, result, sampler, utils