minor updates in prep of a release

DESCRIPTION

@@ -1,13 +1,13 @@
 Name: sqlite
 Version: 0.0.1
-Date: 2022-10-6
+Date: 2022-10-12
 Author: John Donoghue <[email protected]>
 Maintainer: John Donoghue <[email protected]>
 Title: Octave Sqlite Toolkit
 Description: Basic Octave implementation of sqlite toolkit
 Categories: Database
-Depends: octave (>= 4.0.0)
+Depends: octave (>= 6.0.0)
 BuildRequires: libsqlite3-dev
 SystemRequirements: libsqlite3
 License: GPLv3+
-Url: https://sourceforge.net/projects/octave-sqlite/
+Url: https://github.com/gnu-octave/octave-sqlite/wiki/Octave-SQLITE-Toolkit

NEWS

@@ -1,4 +1,4 @@
-Summary of important user-visible changes for sqlite 0.1.0:
+Summary of important user-visible changes for sqlite 0.0.1:
 -------------------------------------------------------------------
 
  ** Initial release

src/__sqlite__.cc

@@ -152,7 +152,7 @@ Private function\n \
   if(res)
     return m;
   else
-  return octave_value();
+    return octave_value();
 }
 
 // PKG_ADD: autoload ("__sqlite_commit__", "__sqlite__.oct");
@@ -180,7 +180,7 @@ Private function\n \
   octave_value m;
   bool res = db->commit();
 
-  return octave_value();
+  return octave_value(res);
 }
 
 // PKG_ADD: autoload ("__sqlite_rollback__", "__sqlite__.oct");
@@ -208,7 +208,7 @@ Private function\n \
   octave_value m;
   bool res = db->rollback();
 
-  return octave_value();
+  return octave_value(res);
 }
 
 #if 0

src/octave_sqlite.cc

@@ -369,7 +369,6 @@ bool octave_sqlite::execute (const std::string &query)
 
 bool octave_sqlite::fetch (const std::string &query, octave_value &retval)
 {
-  char * err;
   sqlite3_stmt *stmt;
 
   int rc = sqlite3_prepare_v2(db, query.c_str(), -1, &stmt, NULL);