Update README and minor changes logs

README.md

@@ -29,13 +29,20 @@ This will install MakeGen into `/usr/bin/makegen`.
 If you want it to be installed in another place just run `make` and copy the file to where you want it.
 
 ## Usage
+### Config file
 In order to create a MakeGen configuration file use the following command:
 
-    makegen --conf
+    makegen conf gen prompt
 
 This will prompt you with all the needed configurations in order to create a Makefile which will compile your code.
 When this is done it will create a file called `makegen.conf` which contains all relevant data for MakeGen to create a Makefile.
 
+If you want to change your config you can modify the makegen.conf file or use makegens config command line interface.
+To see the possible changes you can do see the help file by entering:
+
+    makegen conf
+
+### Compiling
 After that simply compile your code with:
 
     makegen
@@ -52,4 +59,4 @@ If multiple options are given to MakeGen it will execute them in the following o
     clean all install run
 
 Since MakeGen generates include dependencies in your Makefile it can cause the Makefile to get very cluttered.
-In order to make it less cluttered you can run `makegen --simple` which will generate (and run) a Makefile without header file dependencies.
+In order to make it less cluttered you can run `makegen --simple` which will generate (and run) a Makefile without header file dependencies.

src/ConfigCLI.cpp

@@ -149,7 +149,7 @@ int ConfigCLI::Gen(int argc, char** argv)
   }
   if(argc < 2)
   {
-    LOG_ERROR("gen needs exactly one parameters");
+    LOG_ERROR("gen needs exactly one parameter");
     return 1;
   }
   std::string option = argv[1];
@@ -292,7 +292,7 @@ int ConfigCLI::Get(int argc, char** argv, ConfigFile& config)
   }
   if(argc != 2)
   {
-    LOG_ERROR("get needs exactly one parameters");
+    LOG_ERROR("get needs exactly one parameter");
     return 1;
   }
   auto settingVectorMap = GetSettingVectorMap(config);
@@ -336,6 +336,11 @@ int ConfigCLI::Main(int argc, char** argv)
   std::string command = argv[1];
   if(command == "gen")
   {
+    if(config)
+    {
+      LOG_ERROR("Config file already exist (makegen.conf)");
+      return 1;
+    }
     return Gen(argc-1, &argv[1]);
   }
   else if(config)

src/main.cpp

@@ -188,6 +188,5 @@ int main(int argc, char** argv)
   else
   {
     LOG_ERROR("No ", CONFIG_FILENAME, " or Makefile found.");
-    PrintHelp();
   }
 }