diff --git a/MakeAM.sh b/MakeAM.sh
index 7d300c7d..5e84cec2 100755
--- a/MakeAM.sh
+++ b/MakeAM.sh
@@ -12,7 +12,7 @@ echo "
 AUTOMAKE_OPTIONS = subdir-objects
 
 bin_PROGRAMS = magicseteditor
-AM_CXXFLAGS = @WX_CXXFLAGS@ \$(BOOST_CXXFLAGS) -DUNICODE -I . -Wall
+AM_CXXFLAGS = @WX_CXXFLAGS@ \$(BOOST_CXXFLAGS) -DUNICODE -I . -Wall -D_GLIBCXX_DEBUG -D_GLIBCXX_DEBUG_PEDANTIC
 AM_LDFLAGS  = @WX_LIBS@ \$(BOOST_LDFLAGS)
 
 magicseteditor_LDADD = \$(BOOST_REGEX_LIB)
diff --git a/Makefile.in b/Makefile.in
index 0f9d6e92..32c96d9f 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -64,6 +64,7 @@ am_magicseteditor_OBJECTS = ./src/util/version.$(OBJEXT) \
 	./src/util/spec_sort.$(OBJEXT) \
 	./src/util/io/get_member.$(OBJEXT) \
 	./src/util/io/package_manager.$(OBJEXT) \
+	./src/util/io/subversion.$(OBJEXT) \
 	./src/util/io/writer.$(OBJEXT) ./src/util/io/reader.$(OBJEXT) \
 	./src/util/io/package.$(OBJEXT) \
 	./src/util/action_stack.$(OBJEXT) ./src/util/error.$(OBJEXT) \
@@ -335,7 +336,7 @@ top_srcdir = @top_srcdir@
 
 # This flag allows us to use subdirectories:
 AUTOMAKE_OPTIONS = subdir-objects
-AM_CXXFLAGS = @WX_CXXFLAGS@ $(BOOST_CXXFLAGS) -DUNICODE -I . -Wall
+AM_CXXFLAGS = @WX_CXXFLAGS@ $(BOOST_CXXFLAGS) -DUNICODE -I . -Wall -D_GLIBCXX_DEBUG -D_GLIBCXX_DEBUG_PEDANTIC
 AM_LDFLAGS = @WX_LIBS@ $(BOOST_LDFLAGS)
 magicseteditor_LDADD = $(BOOST_REGEX_LIB)
 
@@ -345,20 +346,21 @@ magicseteditor_SOURCES = ./src/util/version.cpp \
 	./src/util/tagged_string.cpp ./src/util/spell_checker.cpp \
 	./src/util/regex.cpp ./src/util/spec_sort.cpp \
 	./src/util/io/get_member.cpp ./src/util/io/package_manager.cpp \
-	./src/util/io/writer.cpp ./src/util/io/reader.cpp \
-	./src/util/io/package.cpp ./src/util/action_stack.cpp \
-	./src/util/error.cpp ./src/util/age.cpp \
-	./src/util/file_utils.cpp ./src/util/string.cpp \
-	./src/gfx/color.cpp ./src/gfx/mask_image.cpp \
-	./src/gfx/rotate_image.cpp ./src/gfx/image_effects.cpp \
-	./src/gfx/resample_text.cpp ./src/gfx/combine_image.cpp \
-	./src/gfx/polynomial.cpp ./src/gfx/bezier.cpp \
-	./src/gfx/generated_image.cpp ./src/gfx/resample_image.cpp \
-	./src/gfx/blend_image.cpp ./src/main.cpp \
-	./src/render/card/viewer.cpp ./src/render/text/compound.cpp \
-	./src/render/text/symbol.cpp ./src/render/text/font.cpp \
-	./src/render/text/viewer.cpp ./src/render/text/element.cpp \
-	./src/render/symbol/filter.cpp ./src/render/symbol/viewer.cpp \
+	./src/util/io/subversion.cpp ./src/util/io/writer.cpp \
+	./src/util/io/reader.cpp ./src/util/io/package.cpp \
+	./src/util/action_stack.cpp ./src/util/error.cpp \
+	./src/util/age.cpp ./src/util/file_utils.cpp \
+	./src/util/string.cpp ./src/gfx/color.cpp \
+	./src/gfx/mask_image.cpp ./src/gfx/rotate_image.cpp \
+	./src/gfx/image_effects.cpp ./src/gfx/resample_text.cpp \
+	./src/gfx/combine_image.cpp ./src/gfx/polynomial.cpp \
+	./src/gfx/bezier.cpp ./src/gfx/generated_image.cpp \
+	./src/gfx/resample_image.cpp ./src/gfx/blend_image.cpp \
+	./src/main.cpp ./src/render/card/viewer.cpp \
+	./src/render/text/compound.cpp ./src/render/text/symbol.cpp \
+	./src/render/text/font.cpp ./src/render/text/viewer.cpp \
+	./src/render/text/element.cpp ./src/render/symbol/filter.cpp \
+	./src/render/symbol/viewer.cpp \
 	./src/render/value/multiple_choice.cpp \
 	./src/render/value/symbol.cpp ./src/render/value/color.cpp \
 	./src/render/value/package_choice.cpp \
@@ -547,6 +549,8 @@ src/util/io/$(DEPDIR)/$(am__dirstamp):
 	src/util/io/$(DEPDIR)/$(am__dirstamp)
 ./src/util/io/package_manager.$(OBJEXT): src/util/io/$(am__dirstamp) \
 	src/util/io/$(DEPDIR)/$(am__dirstamp)
+./src/util/io/subversion.$(OBJEXT): src/util/io/$(am__dirstamp) \
+	src/util/io/$(DEPDIR)/$(am__dirstamp)
 ./src/util/io/writer.$(OBJEXT): src/util/io/$(am__dirstamp) \
 	src/util/io/$(DEPDIR)/$(am__dirstamp)
 ./src/util/io/reader.$(OBJEXT): src/util/io/$(am__dirstamp) \
@@ -1175,6 +1179,7 @@ mostlyclean-compile:
 	-rm -f ./src/util/io/package.$(OBJEXT)
 	-rm -f ./src/util/io/package_manager.$(OBJEXT)
 	-rm -f ./src/util/io/reader.$(OBJEXT)
+	-rm -f ./src/util/io/subversion.$(OBJEXT)
 	-rm -f ./src/util/io/writer.$(OBJEXT)
 	-rm -f ./src/util/regex.$(OBJEXT)
 	-rm -f ./src/util/rotation.$(OBJEXT)
@@ -1352,6 +1357,7 @@ distclean-compile:
 @AMDEP_TRUE@@am__include@ @am__quote@./src/util/io/$(DEPDIR)/package.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./src/util/io/$(DEPDIR)/package_manager.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./src/util/io/$(DEPDIR)/reader.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./src/util/io/$(DEPDIR)/subversion.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./src/util/io/$(DEPDIR)/writer.Po@am__quote@
 
 .cpp.o:
diff --git a/configure b/configure
index 10b11f54..c19e8577 100755
--- a/configure
+++ b/configure
@@ -2368,6 +2368,9 @@ am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -'
 
 
 # Checks for programs.
+if test -n "${CXXFLAGS}"; then
+  user_set_cxxflags=yes
+fi
 ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -3160,6 +3163,10 @@ else
 fi
 
 
+if test X$user_set_cxxflags != Xyes; then
+  CXXFLAGS="-g -O0"
+fi
+
 # Checks for libraries.
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
@@ -4790,15 +4797,15 @@ fi
     WX_VERSION=""
 
     min_wx_version=2.8.0
-    if test -z "" ; then
+    if test -z "--debug" ; then
       { $as_echo "$as_me:$LINENO: checking for wxWidgets version >= $min_wx_version" >&5
 $as_echo_n "checking for wxWidgets version >= $min_wx_version... " >&6; }
     else
-      { $as_echo "$as_me:$LINENO: checking for wxWidgets version >= $min_wx_version ()" >&5
-$as_echo_n "checking for wxWidgets version >= $min_wx_version ()... " >&6; }
+      { $as_echo "$as_me:$LINENO: checking for wxWidgets version >= $min_wx_version (--debug)" >&5
+$as_echo_n "checking for wxWidgets version >= $min_wx_version (--debug)... " >&6; }
     fi
 
-    WX_CONFIG_WITH_ARGS="$WX_CONFIG_PATH $wx_config_args  "
+    WX_CONFIG_WITH_ARGS="$WX_CONFIG_PATH $wx_config_args --debug "
 
     WX_VERSION=`$WX_CONFIG_WITH_ARGS --version 2>/dev/null`
     wx_config_major_version=`echo $WX_VERSION | \
@@ -8090,3 +8097,8 @@ if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then
 $as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;}
 fi
 
+
+echo "*******************************************************************************
+*DON'T YOU DARE SHIP THIS VERSION BECAUSE DEBUGGING IS ENABLED PLEASE DISABLE *
+*IT FIRST BY REMOVING --debug FROM WX AND REMOVING LIBSTDCXX -D FROM MakeAM.sh*
+*******************************************************************************"
diff --git a/configure.ac b/configure.ac
index b73e68e8..9c580a74 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 #+----------------------------------------------------------------------------+
 #| Description:  Magic Set Editor - Program to make Magic (tm) cards          |
-#| Copyright:    (C) 2001 - 2007 Twan van Laarhoven                           |
+#| Copyright:    (C) 2001 - 2007 Twan van Laarhoven and Sean "coppro" Hunt    |
 #| License:      GNU General Public License 2 or later (see file COPYING)     |
 #+----------------------------------------------------------------------------+
 
@@ -14,7 +14,14 @@ AC_CONFIG_HEADER([src/config.h])
 AM_INIT_AUTOMAKE([-Wall foreign])
 
 # Checks for programs.
+if test -n "${CXXFLAGS}"; then
+  user_set_cxxflags=yes
+fi
 AC_PROG_CXX
+if test X$user_set_cxxflags != Xyes; then
+  CXXFLAGS="-g -O0"
+fi
+
 # Checks for libraries.
 AC_CHECK_LIB([hunspell],[Hunspell_create])
 
@@ -25,7 +32,7 @@ BOOST_REGEX_LIB="-Wl,-Bstatic $BOOST_REGEX_LIB -Wl,-Bdynamic"
 
 # Check for wxWidgets
 AM_OPTIONS_WXCONFIG
-AM_PATH_WXCONFIG(2.8.0,wxWin=1)
+AM_PATH_WXCONFIG(2.8.0,wxWin=1,,,[--debug])
 if test "$wxWin" != 1; then
     AC_MSG_ERROR([
        wxWindows must be installed on your system
@@ -95,3 +102,8 @@ fi
 AC_OUTPUT([
 	Makefile
 ])
+
+echo "*******************************************************************************
+*DON'T YOU DARE SHIP THIS VERSION BECAUSE DEBUGGING IS ENABLED PLEASE DISABLE *
+*IT FIRST BY REMOVING --debug FROM WX AND REMOVING LIBSTDCXX -D FROM MakeAM.sh*
+*******************************************************************************"
\ No newline at end of file
diff --git a/src/data/field/choice.cpp b/src/data/field/choice.cpp
index 215a095d..4ecdc063 100644
--- a/src/data/field/choice.cpp
+++ b/src/data/field/choice.cpp
@@ -168,6 +168,7 @@ ChoiceStyle::ChoiceStyle(const ChoiceFieldP& field)
 	, combine(COMBINE_NORMAL)
 	, alignment(ALIGN_STRETCH)
 	, thumbnails(nullptr)
+	, content_width(0.0), content_height(0.0)
 {}
 
 ChoiceStyle::~ChoiceStyle() {
diff --git a/src/gui/set/cards_panel.cpp b/src/gui/set/cards_panel.cpp
index f7e7d588..5a3ed2f3 100644
--- a/src/gui/set/cards_panel.cpp
+++ b/src/gui/set/cards_panel.cpp
@@ -276,6 +276,9 @@ void CardsPanel::onUpdateUI(wxUpdateUIEvent& ev) {
 			collapse_notes->SetHelpText(collapse ? _HELP_("collapse notes") : _HELP_("expand notes"));
 			break;
 		}
+#if 0 //ifdef __WXGTK__ //crashes on GTK
+		case ID_INSERT_SYMBOL: ev.Enable(false); break;
+#else
 		case ID_INSERT_SYMBOL: {
 			wxMenu* menu = editor->getMenu(ID_INSERT_SYMBOL);
 			ev.Enable(menu);
@@ -285,17 +288,21 @@ void CardsPanel::onUpdateUI(wxUpdateUIEvent& ev) {
 				insertSymbolMenu->SetSubMenu(menu);
 				menuFormat->Append(insertSymbolMenu);
 			}
+			break;
 		}
+#endif
 	}
 }
 
 void CardsPanel::onCommand(int id) {
 	switch (id) {
 		case ID_CARD_PREV:
-			card_list->selectPrevious();
+			// Note: Forwarded events may cause this to occur even at the top.
+			if (card_list->canSelectPrevious()) card_list->selectPrevious();
 			break;
 		case ID_CARD_NEXT:
-			card_list->selectNext();
+			// Note: Forwarded events may cause this to occur even at the bottom.
+			if (card_list->canSelectNext()) card_list->selectNext();
 			break;
 		case ID_CARD_ADD:
 			set->actions.addAction(new AddCardAction(*set));
diff --git a/src/render/text/viewer.cpp b/src/render/text/viewer.cpp
index 728dc24b..48f4e633 100644
--- a/src/render/text/viewer.cpp
+++ b/src/render/text/viewer.cpp
@@ -26,7 +26,8 @@ struct TextViewer::Line {
 	bool           justifying;  ///< Is the text justified? Only true when *really* justifying.
 	
 	Line()
-		: start(0), end_or_soft(0), top(0), line_height(0), break_after(BREAK_NO)
+		: start(0), end_or_soft(0), top(0), line_height(0)
+		, break_after(BREAK_NO), justifying(false)
 	{}
 	
 	/// The position (just beyond) the bottom of this line
diff --git a/src/util/io/package.cpp b/src/util/io/package.cpp
index f5323b23..f5e27e6d 100644
--- a/src/util/io/package.cpp
+++ b/src/util/io/package.cpp
@@ -244,6 +244,7 @@ String Package::nameOut(const String& file) {
 	if (it == files.end()) {
 		// new file
 		it = addFile(name);
+		it->second.created = true;
 	}
 
 	// return stream
@@ -271,7 +272,8 @@ FileName Package::newFileName(const String& prefix, const String& suffix) {
 		FileInfos::iterator it = files.find(name);
 		if (it == files.end()) {
 			// name doesn't exist yet
-			addFile(name);
+			it = addFile(name);
+			it->second.created = true;
 			return name;
 		}
 	}
@@ -320,7 +322,7 @@ InputStreamP Package::openAbsoluteFile(const String& name) {
 // ----------------------------------------------------------------------------- : Package : private
 
 Package::FileInfo::FileInfo()
-	: keep(false), zipEntry(nullptr)
+	: keep(false), created(false), zipEntry(nullptr)
 {}
 
 Package::FileInfo::~FileInfo() {
@@ -379,11 +381,12 @@ void Package::openZipfile() {
 
 void Package::saveToDirectory(const String& saveAs, bool remove_unused, bool is_copy) {
 	// write to a directory
+	VCSP vcs = getVCS();
 	FOR_EACH(f, files) {
 		if (!f.second.keep && remove_unused) {
 			// remove files that are not to be kept
 			// ignore failure (new file that is not kept)
-			wxRemoveFile(saveAs+_("/")+f.first);
+			vcs->removeFile(saveAs+_("/")+f.first);
 		} else if (f.second.wasWritten()) {
 			// move files that were updated
 			wxRemoveFile(saveAs+_("/")+f.first);
@@ -391,11 +394,16 @@ void Package::saveToDirectory(const String& saveAs, bool remove_unused, bool is_
 			              : wxRenameFile(f.second.tempName, saveAs+_("/")+f.first))) {
 				throw PackageError(_ERROR_("unable to store file"));
 			}
+			if (f.second.created) {
+				vcs->addFile(saveAs+_("/")+f.first);
+				f.second.created = false;
+			}
 		} else if (filename != saveAs) {
 			// save as, copy old filess
 			if (!wxCopyFile(filename+_("/")+f.first, saveAs+_("/")+f.first)) {
 				throw PackageError(_ERROR_("unable to store file"));
 			}
+			vcs->addFile(saveAs+_("/")+f.first);
 		} else {
 			// old file, just keep it
 		}
@@ -462,7 +470,7 @@ DateTime Package::modificationTime(const pair<String, FileInfo>& fi) const {
 	} else if (wxFileExists(filename+_("/")+fi.first)) {
 		return wxFileName(filename+_("/")+fi.first).GetModificationTime();
 	} else {
-		return DateTime();
+		return DateTime((wxLongLong)0ul);
 	}
 }
 
@@ -505,6 +513,7 @@ IMPLEMENT_REFLECTION(Packaged) {
 Packaged::Packaged()
 	: position_hint(100000)
 	, fully_loaded(true)
+	, vcs(nullptr)
 {}
 
 InputStreamP Packaged::openIconFile() {
diff --git a/src/util/io/package.hpp b/src/util/io/package.hpp
index e02a7f6d..441c7563 100644
--- a/src/util/io/package.hpp
+++ b/src/util/io/package.hpp
@@ -13,6 +13,7 @@
 #include <util/dynamic_arg.hpp>
 #include <util/error.hpp>
 #include <util/file_utils.hpp>
+#include <util/io/vcs.hpp>
 
 class Package;
 class wxFileInputStream;
@@ -141,6 +142,10 @@ class Package : public IntrusivePtrVirtualBase {
 		writer.handle(obj);
 	}
 
+  protected:
+	// TODO: I dislike this very much. There ought to be a better way.
+	virtual VCSP getVCS() { return new_intrusive<VCS>(); }
+
 	// --------------------------------------------------- : Private stuff
   private:
 
@@ -149,6 +154,7 @@ class Package : public IntrusivePtrVirtualBase {
 		FileInfo();
 		~FileInfo();
 		bool keep;               ///< Should this file be kept in the package? (as opposed to deleting it)
+		bool created;            ///< Was this file just created (e.g. should the VCS add it?)
 		String tempName;         ///< Name of the temporary file where new contents of this file are placed
 		wxZipEntry* zipEntry;    ///< Entry in the zip file for this file
 		/// Is this file changed, and therefore written to a temporary file?
@@ -213,6 +219,7 @@ class Packaged : public Package {
 	String icon_filename;		///< Filename of icon to use in package lists
 	vector<PackageDependencyP> dependencies;	///< Dependencies of this package
 	int    position_hint;		///< A hint for the package list
+	VCSP   vcs;                     ///< The version control system to use
 
 	/// Get an input stream for the package icon, if there is any
 	InputStreamP openIconFile();
@@ -236,6 +243,10 @@ class Packaged : public Package {
 	}
 
   protected:
+	virtual VCSP getVCS() {
+		return vcs;
+	}
+
 	/// filename of the data file, and extension of the package file
 	virtual String typeName() const = 0;
 	/// Can be overloaded to do validation after loading