Moved some parts to a static lib so both the executable and the tests can link to it.

Written additional tests.

src/ConnectionConfig.h

@@ -13,6 +13,12 @@ enum class SslMode {
 	verify_full=5
 };
 
+enum class PasswordMode {
+	Unsave,
+	Encrypted,
+	DontSave
+};
+
 class ConnectionConfig {
 public:
 	ConnectionConfig();
@@ -57,6 +63,9 @@ public:
 	const char * const * getValues() const;
 
 	bool isSameDatabase(const ConnectionConfig &rhs) const;
+
+	bool dirty() const;
+	void clean();
 private:
 	std::string m_name;
 	std::string m_host;
@@ -75,6 +84,8 @@ private:
 
 	std::string m_applicationName;
 
+	bool m_dirty = false;
+
 	static std::vector<const char*> s_keywords;
 	mutable std::vector<const char*> m_values;
 };