Fixed a bug where a single pixel isn't accounted for when selecting the entire screen. Upped version for previous changes

CMakeLists.txt

 project( "slop" )
 set( slop_VERSION_MAJOR 4 )
 set( slop_VERSION_MINOR 2 )
-set( slop_VERSION_PATCH 18 )
+set( slop_VERSION_PATCH 19 )
 
 set( CMAKE_OPENGL_SUPPORT FALSE CACHE BOOL "Whether or not to compile with OpenGL, shaders, magnification, and theming support." )
 

README.md

 help
 ----
 ```text
-slop v4.2.18
+slop v4.2.19
 
 Copyright (C) 2014 Dalton Nell, Slop Contributors
 (https://github.com/naelstrof/slop/graphs/contributors)

src/main.cpp

 }
 
 int printSelection( std::string format, bool cancelled, int x, int y, int w, int h, int window ) {
+    //Impossible to select nothing
+    if (!cancelled) {
+        w += 1;
+        h += 1;
+    }
     size_t pos = 0;
     while ( ( pos = format.find( "%", pos ) ) != std::string::npos ) {
         if ( pos + 1 > format.size() ) {