diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..0d20b64
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+*.pyc
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..68842e2
--- /dev/null
+++ b/README.md
@@ -0,0 +1,13 @@
+## Running SCA
+
+```bash
+pip install -r requirements.txt
+./sca.py --input-files=analyze-me.php
+```
+
+## Running the test suite
+```bash
+pip install -r requirements.txt
+nosetests core/tests/ --ignore-files=.*samate.*
+```
+
diff --git a/core/sca_core.py b/core/sca_core.py
index dbb3e26..a160edf 100644
--- a/core/sca_core.py
+++ b/core/sca_core.py
@@ -25,6 +25,7 @@
 # pushing/popping the scopes from the stack. 
 Node = phpast.Node
 
+
 def accept(nodeinst, visitor):
     skip = visitor(nodeinst)  
     if skip:
@@ -175,4 +176,3 @@ def _visitor(self, node):
     def debug(self, newobj):
         if self.DEBUG and newobj:
             print newobj
-        
\ No newline at end of file
diff --git a/core/tests/test_vulnerabilities.py b/core/tests/test_vulnerabilities.py
index 4385133..eb97ea6 100644
--- a/core/tests/test_vulnerabilities.py
+++ b/core/tests/test_vulnerabilities.py
@@ -125,7 +125,7 @@ def test_vuln_functions_4(self):
         analyzer = PhpSCA(code)
         sys1, echo, sys2 = analyzer.get_func_calls()
         self.assertEquals([], sys1.vulntypes)
-        self.assertTrue('XSS' in echo.vulntypes)
+        self.assertIn('XSS', echo.vulntypes)
         self.assertTrue('OS_COMMANDING' in sys2.vulntypes)
     
     def test_vuln_functions_5(self):
@@ -164,7 +164,7 @@ def test_assignment_multiple(self):
         echo $a;
         ?>'''
         vulns = PhpSCA(code).get_vulns()
-        self.assertTrue('XSS' in vulns)
+        self.assertIn('XSS', vulns)
         self.assertTrue('SQL_INJECTION' in vulns)
         
     def test_multiple_parents_vuln_trace(self):
@@ -173,7 +173,7 @@ def test_multiple_parents_vuln_trace(self):
         echo $_GET[2] . $a;
         ?>'''
         vulns = PhpSCA(code).get_vulns()
-        self.assertTrue('XSS' in vulns)
+        self.assertIn('XSS', vulns)
         self.assertEquals(2, len(vulns['XSS']))
         self.assertEquals(3, vulns['XSS'][0][-1].lineno)
         self.assertEquals(2, vulns['XSS'][1][-1].lineno)
@@ -185,5 +185,4 @@ def test_samevar(self):
         echo $param;
         ?>'''
         vulns = PhpSCA(code).get_vulns()
-        self.assertTrue('XSS' in vulns)
-        
\ No newline at end of file
+        self.assertIn('XSS', vulns)
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..3efdd24
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,5 @@
+pymock==1.0.5.1
+phply==0.9.1
+lxml==3.4.4
+
+
diff --git a/sca.py b/sca.py
index 7d155ba..09dc9e6 100755
--- a/sca.py
+++ b/sca.py
@@ -22,9 +22,11 @@
 For more info visit https://github.com/wvdongen/SCA
 '''
 
+
 def usage():
     print usage_doc
 
+
 def main():
     try:
         long_options = ['help', 'input-files=']