Improving comments and fixing double init

src/core.hpp

@@ -5,6 +5,7 @@
 
 namespace luasteam {
 
+// Adds functions SteamAPI_*
 void add_core(lua_State *L);
 
 } // namespace luasteam

src/friends.hpp

@@ -5,6 +5,7 @@
 
 namespace luasteam {
 
+// Adds functions from ISteamFriends
 void add_friends(lua_State *L);
 
 void init_friends(lua_State *L);

src/main.cpp

@@ -3,12 +3,8 @@
 #include "friends.hpp"
 #include "user_stats.hpp"
 
-// ====================================
-// ======= End of API functions =======
-// ====================================
-
+// Creates and returns a table with all functions
 EXTERN int luaopen_luasteam(lua_State *L) {
-    luasteam::init_common(L);
     lua_createtable(L, 0, 5);
     luasteam::add_core(L);
     luasteam::add_user_stats(L);

src/user_stats.hpp

@@ -5,6 +5,7 @@
 
 namespace luasteam {
 
+// Adds functions from ISteamUserStats
 void add_user_stats(lua_State *L);
 
 void init_user_stats(lua_State *L);