Tidied repository with other small changes

include/argparse

@@ -0,0 +1 @@
+../modules/argparse/include/argparse

include/cache.hpp

@@ -16,6 +16,7 @@ namespace gdpm::cache {
 		string table_name	= GDPM_PACKAGE_CACHE_TABLENAME;
 	};
 
+	bool exists(const params& = params());
 	error create_package_database(bool overwrite = false, const params& = params());
 	error insert_package_info(const package::info_list& packages, const params& = params());
 	result_t<package::info_list> get_package_info_by_id(const package::id_list& package_ids, const params& = params());

include/types.hpp

@@ -8,6 +8,7 @@
 #include <variant>
 #include <future>
 #include <any>
+#include <algorithm>
 
 namespace gdpm{
 	class error;

include/version.hpp

@@ -11,7 +11,7 @@ namespace gdpm::version{
 		int major = 0;
 		int minor = 0;
 		int patch = 0;
-		string commit = "";
+		string description = "";
 	};
 
 	std::string to_string(const context& context);

modules/clipp

@@ -1 +0,0 @@
-Subproject commit 02783b6782ebedbb2bebc2e6ceda738ee51c7df2

src/cache.cpp

@@ -17,6 +17,10 @@ namespace gdpm::cache{
 		return utils::replace_all(s, "'", "''");
 	}
 
+	bool exists(const params& params) {
+		return std::filesystem::exists(params.cache_path);
+	}
+
 	error create_package_database(
 		bool overwrite, 
 		const params& params

src/package.cpp

@@ -58,7 +58,7 @@ namespace gdpm::package{
 		if(p_cache.empty()){
 			return log::error_rc(
 				ec::NOT_FOUND, /* TODO: change to PACKAGE_NOT_FOUND */
-				"package::install(): no packages found to install."
+				"package::install(): no package(s) found to install."
 			);
 		}
 		

submodules/indicators

@@ -1 +0,0 @@
-Subproject commit ef71abd9bc7254f7734fa84d5b1c336be2deb9f7