added coverage badge

MANIFEST.in

 include Makefile
 include src/*.c
-include include/*.h
+include include/*.h
\ No newline at end of file
+include README.md

README.md

 # Python module for binary_c
-
+Coverage: ![alt text](coverage.svg)
 Based on a original work by Jeff Andrews (can be found in old_solution/ directory)
 updated and extended for Python3 by Robert Izzard, David hendriks
 

coverage.svg

+<?xml version="1.0" encoding="UTF-8"?>
+<svg xmlns="http://www.w3.org/2000/svg" width="99" height="20">
+    <linearGradient id="b" x2="0" y2="100%">
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+        <stop offset="1" stop-opacity=".1"/>
+    </linearGradient>
+    <mask id="a">
+        <rect width="99" height="20" rx="3" fill="#fff"/>
+    </mask>
+    <g mask="url(#a)">
+        <path fill="#555" d="M0 0h63v20H0z"/>
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+        <path fill="url(#b)" d="M0 0h99v20H0z"/>
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+    <g fill="#fff" text-anchor="middle" font-family="DejaVu Sans,Verdana,Geneva,sans-serif" font-size="11">
+        <text x="31.5" y="15" fill="#010101" fill-opacity=".3">coverage</text>
+        <text x="31.5" y="14">coverage</text>
+        <text x="80" y="15" fill="#010101" fill-opacity=".3">5%</text>
+        <text x="80" y="14">5%</text>
+    </g>
+</svg>

setup.py

@@ -37,7 +37,6 @@ def check_version(installed_binary_c_version, required_binary_c_versions):
     )
     assert installed_binary_c_version in required_binary_c_versions, message
 
-
 def execute_make():
     """
     Function to execute the makefile.
@@ -155,10 +154,9 @@ INCLUDE_DIRS = (
         "include",
     ]
     + BINARY_C_INCDIRS
-    + [os.path.join(GSL_DIR, "include")]
-    if GSL_DIR
-    else []
 )
+if GSL_DIR:
+    INCLUDE_DIRS += [os.path.join(GSL_DIR, "include")]
 
 # LIBRARIES = ["binary_c"] + BINARY_C_LIBS + ["binary_c_python_api"]
 LIBRARIES = ["binary_c"] + BINARY_C_LIBS
@@ -230,7 +228,7 @@ class CustomBuildCommand(distutils.command.build.build):
 
 setup(
     name="binarycpython",
-    version="0.2.4",
+    version="0.2.6",
     description="""This is a python API for binary_c (versions {}) by David Hendriks, Rob Izzard and collaborators. Based on the initial set up by Jeff andrews.""".format(
         ",".join(REQUIRED_BINARY_C_VERSIONS),
         ",".join(REQUIRED_BINARY_C_VERSIONS),
@@ -254,7 +252,7 @@ setup(
         "binarycpython.core",
         "binarycpython.tests",
     ],
-    install_requires=["numpy", "pytest", "h5py", "pathos", "pandas", "astropy"],
+    install_requires=["numpy", "pytest", "h5py", "pathos", "pandas", "astropy", "matplotlib"],
     include_package_data=True,
     ext_modules=[BINARY_C_PYTHON_API_MODULE],  # binary_c must be loaded
     classifiers=[