Split source into multiple files

SIGUSR1 now causes reload of blacklist
sigstoped now resumes all processes it stoped upon reciving SIGINT or SIGTERM
sigstoped avoids stopping processes that have no top level window left TODO: is this enough?

process.cpp

@@ -0,0 +1,47 @@
+#include <fstream>
+#include <iostream>
+#include <vector>
+#include <string>
+#include "process.h"
+#include "split.h"
+
+bool Process::operator==(const Process& in)
+{
+    return pid == in.pid;
+}
+    
+bool Process::operator!=(const Process& in)
+{
+    return pid != in.pid;
+}
+    
+Process::Process(pid_t pidIn)
+{
+    if(pidIn > 0)
+    {
+        std::fstream statusFile;
+        std::string statusString;
+        statusFile.open(std::string("/proc/") + std::to_string(pidIn)+ "/status", std::fstream::in);
+        if(statusFile.is_open())
+        {
+            std::string statusString((std::istreambuf_iterator<char>(statusFile)),
+            std::istreambuf_iterator<char>());
+            std::vector<std::string> lines = split(statusString);
+            if(lines.size() > 0)
+            {
+                pid = pidIn;
+                std::vector<std::string> tokens = split(lines[0], '\t');
+                if(tokens.size() > 1)
+                {
+                    name = tokens[1];
+                }
+            }
+            statusFile.close();
+            
+        }
+        else
+        {
+            std::cout<<"cant open "<<"/proc/" + std::to_string(pidIn)+ "/status"<<std::endl;
+        }
+    }
+}