Adding Cbc threading support

[kellrott]

Adding methods to the CbcModel to access the getNumberThreads and setNumberThreads calls will enable users to perform parallel calculations:

diff --git a/cy/CyCbcModel.pxd b/cy/CyCbcModel.pxd
index a2ee7f1..9209789 100644
--- a/cy/CyCbcModel.pxd
+++ b/cy/CyCbcModel.pxd
@@ -56,6 +56,9 @@ cdef extern from "ICbcModel.hpp":
         bint setMaximumNodes(int value)
         int getMaximumNodes()

+        int getNumberThreads()
+        void setNumberThreads(int value)
+
         void setLogLevel(int value)
         int logLevel()

diff --git a/cy/CyCbcModel.pyx b/cy/CyCbcModel.pyx
index 16943cc..159d5d9 100644
--- a/cy/CyCbcModel.pyx
+++ b/cy/CyCbcModel.pyx
@@ -209,4 +209,13 @@ cdef class CyCbcModel:

         def __set__(self, value):
            self.CppSelf.setMaximumNodes(value)
+
+    property numberThreads:
+        def __get__(self):
+            return self.CppSelf.getNumberThreads()
+
+        def __set__(self, value):
+            self.CppSelf.setNumberThreads(value)
+
+
     #TODO: add access to solver: getLower, getUpper,...

[mpy]

Done! Thank you so much for your feedback.