Fix alternative save path in build, and also add in project wizard

.gitignore

@@ -42,3 +42,4 @@ ToC.txt
 
 # Coverage
 /.coverage
+/coverage.*

nw/tools/build.py

@@ -853,10 +853,10 @@ class GuiBuildNovel(QDialog):
             cleanName = makeFileNameSafe(self.theProject.projName)
             fileName  = "%s.%s" % (cleanName, fileExt)
             saveDir   = self.mainConf.lastPath
-            savePath  = os.path.join(saveDir, fileName)
             if not os.path.isdir(saveDir):
-                saveDir = self.mainConf.homePath
+                saveDir = os.path.expanduser("~")
 
+            savePath  = os.path.join(saveDir, fileName)
             savePath, _ = QFileDialog.getSaveFileName(
                 self, self.tr("Save Document As"), savePath
             )

nw/tools/projwizard.py

@@ -210,7 +210,7 @@ class ProjWizardFolderPage(QWizardPage):
         """
         lastPath = self.mainConf.lastPath
         if not os.path.isdir(lastPath):
-            lastPath = ""
+            lastPath = os.path.expanduser("~")
 
         projDir = QFileDialog.getExistingDirectory(
             self, self.tr("Select Project Folder"), lastPath, options=QFileDialog.ShowDirsOnly