fixes requirements install

setup.py

@@ -23,10 +23,15 @@
 from __future__ import absolute_import
 import os
 import sys
-import about
 import wolfcrypt
 from setuptools import setup, find_packages
 
+try:
+    import about
+except ImportError:
+    error = "about is not installed, refer to <{url}> for instructions."
+    raise ImportError(error.format(url="https://pypi.io/project/about/"))
+
 os.chdir(os.path.dirname(sys.argv[0]) or ".")
 
 long_description = open("README.rst", "rt").read().replace(
@@ -44,7 +49,7 @@ info = dict(
     },
     requirements = {
                     "setup_requires":    ["cffi>=1.6.0", "about>=5.2"],
-                    "install_requires":  ["cffi>=1.6.0"],
+                    "install_requires":  ["cffi>=1.6.0", "about>=5.2"],
     },
     scripts      = {},
     plugins      = {},

wolfcrypt/__about__.py

@@ -20,7 +20,7 @@
 
 metadata = dict(
   __name__     = "wolfcrypt",
-  __version__  = "0.1.2",
+  __version__  = "0.1.5",
   __license__  = """GPLv2 or Commercial License""",
   __author__   = "wolfSSL Inc. <info@wolfssl.com>",
   __url__      = "https://wolfssl.github.io/wolfcrypt-py",