7 files changed, 15 insertions, 14 deletions
diff --git a/core/io/config_file.cpp b/core/io/config_file.cpp
index b44ac16a87..531467ecd6 100644
--- a/core/io/config_file.cpp
+++ b/core/io/config_file.cpp
@@ -86,7 +86,8 @@ void ConfigFile::set_value(const String &p_section, const String &p_key, const V
 Variant ConfigFile::get_value(const String &p_section, const String &p_key, Variant p_default) const {
 
 	if (!values.has(p_section) || !values[p_section].has(p_key)) {
-		ERR_FAIL_COND_V_MSG(p_default.get_type() == Variant::NIL, Variant(), "Couldn't find the given section '" + p_section + "', key '" + p_key + "' and no default was given.");
+		ERR_FAIL_COND_V_MSG(p_default.get_type() == Variant::NIL, Variant(),
+				vformat("Couldn't find the given section \"%s\" and key \"%s\", and no default was given.", p_section, p_key));
 		return p_default;
 	}
 
@@ -112,7 +113,7 @@ void ConfigFile::get_sections(List<String> *r_sections) const {
 }
 void ConfigFile::get_section_keys(const String &p_section, List<String> *r_keys) const {
 
-	ERR_FAIL_COND_MSG(!values.has(p_section), "Cannont get keys from nonexistent section '" + p_section + "'.");
+	ERR_FAIL_COND_MSG(!values.has(p_section), vformat("Cannot get keys from nonexistent section \"%s\".", p_section));
 
 	for (OrderedHashMap<String, Variant>::ConstElement E = values[p_section].front(); E; E = E.next()) {
 		r_keys->push_back(E.key());
@@ -121,12 +122,14 @@ void ConfigFile::get_section_keys(const String &p_section, List<String> *r_keys)
 
 void ConfigFile::erase_section(const String &p_section) {
 
+	ERR_FAIL_COND_MSG(!values.has(p_section), vformat("Cannot erase nonexistent section \"%s\".", p_section));
 	values.erase(p_section);
 }
 
 void ConfigFile::erase_section_key(const String &p_section, const String &p_key) {
 
-	ERR_FAIL_COND_MSG(!values.has(p_section), "Cannot erase key from nonexistent section '" + p_section + "'.");
+	ERR_FAIL_COND_MSG(!values.has(p_section), vformat("Cannot erase key \"%s\" from nonexistent section \"%s\".", p_key, p_section));
+	ERR_FAIL_COND_MSG(!values[p_section].has(p_key), vformat("Cannot erase nonexistent key \"%s\" from section \"%s\".", p_key, p_section));
 
 	values[p_section].erase(p_key);
 }
@@ -291,7 +294,7 @@ Error ConfigFile::_parse(const String &p_path, VariantParser::Stream *p_stream)
 		if (err == ERR_FILE_EOF) {
 			return OK;
 		} else if (err != OK) {
-			ERR_PRINT("ConfgFile - " + p_path + ":" + itos(lines) + " error: " + error_text + ".");
+			ERR_PRINT(vformat("ConfigFile parse error at %s:%d: %s.", p_path, lines, error_text));
 			return err;
 		}
 
@@ -324,11 +327,8 @@ void ConfigFile::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("save", "path"), &ConfigFile::save);
 
 	ClassDB::bind_method(D_METHOD("load_encrypted", "path", "key"), &ConfigFile::load_encrypted);
-	ClassDB::bind_method(D_METHOD("load_encrypted_pass", "path", "pass"), &ConfigFile::load_encrypted_pass);
+	ClassDB::bind_method(D_METHOD("load_encrypted_pass", "path", "password"), &ConfigFile::load_encrypted_pass);
 
 	ClassDB::bind_method(D_METHOD("save_encrypted", "path", "key"), &ConfigFile::save_encrypted);
-	ClassDB::bind_method(D_METHOD("save_encrypted_pass", "path", "pass"), &ConfigFile::save_encrypted_pass);
-}
-
-ConfigFile::ConfigFile() {
+	ClassDB::bind_method(D_METHOD("save_encrypted_pass", "path", "password"), &ConfigFile::save_encrypted_pass);
 }
diff --git a/core/io/config_file.h b/core/io/config_file.h
index 150fd24693..7efcb5a04c 100644
--- a/core/io/config_file.h
+++ b/core/io/config_file.h
@@ -74,8 +74,6 @@ public:
 
 	Error save_encrypted(const String &p_path, const Vector<uint8_t> &p_key);
 	Error save_encrypted_pass(const String &p_path, const String &p_pass);
-
-	ConfigFile();
 };
 
 #endif // CONFIG_FILE_H
diff --git a/core/io/file_access_pack.cpp b/core/io/file_access_pack.cpp
index 83ce03418a..055ce816ad 100644
--- a/core/io/file_access_pack.cpp
+++ b/core/io/file_access_pack.cpp
@@ -454,7 +454,7 @@ Error DirAccessPack::change_dir(String p_dir) {
 	return OK;
 }
 
-String DirAccessPack::get_current_dir() {
+String DirAccessPack::get_current_dir(bool p_include_drive) {
 
 	PackedData::PackedDir *pd = current;
 	String p = current->name;
diff --git a/core/io/file_access_pack.h b/core/io/file_access_pack.h
index b6ea9c158f..e1f35aabdd 100644
--- a/core/io/file_access_pack.h
+++ b/core/io/file_access_pack.h
@@ -216,7 +216,7 @@ public:
 	virtual String get_drive(int p_drive);
 
 	virtual Error change_dir(String p_dir);
-	virtual String get_current_dir();
+	virtual String get_current_dir(bool p_include_drive = true);
 
 	virtual bool file_exists(String p_file);
 	virtual bool dir_exists(String p_dir);
diff --git a/core/io/resource_format_binary.cpp b/core/io/resource_format_binary.cpp
index 54b75cc29d..efd452191a 100644
--- a/core/io/resource_format_binary.cpp
+++ b/core/io/resource_format_binary.cpp
@@ -1008,7 +1008,9 @@ String ResourceLoaderBinary::recognize(FileAccess *p_f) {
 
 ResourceLoaderBinary::ResourceLoaderBinary() :
 		translation_remapped(false),
+		ver_format(0),
 		f(NULL),
+		importmd_ofs(0),
 		error(OK) {
 
 	progress = nullptr;
diff --git a/core/io/resource_loader.cpp b/core/io/resource_loader.cpp
index 504dbe2d63..5dca8b3b89 100644
--- a/core/io/resource_loader.cpp
+++ b/core/io/resource_loader.cpp
@@ -538,6 +538,7 @@ RES ResourceLoader::load(const String &p_path, const String &p_type_hint, bool p
 				if (r_error) {
 					*r_error = err;
 				}
+				thread_load_mutex->unlock();
 				return RES();
 			}
 			thread_load_mutex->unlock();
diff --git a/core/io/resource_loader.h b/core/io/resource_loader.h
index 3b7a27f551..ea89917a5f 100644
--- a/core/io/resource_loader.h
+++ b/core/io/resource_loader.h
@@ -116,7 +116,7 @@ private:
 		String type_hint;
 		float progress = 0.0;
 		ThreadLoadStatus status = THREAD_LOAD_IN_PROGRESS;
-		Error error;
+		Error error = OK;
 		RES resource;
 		bool xl_remapped = false;
 		bool use_sub_threads = false;