update to version 0.3.3

* minor changes:
1. support for Darwin Core format (very limited terms based on taxonomy)
    #25

2. UPDATE Taiwan vascular plant list to APG IV. #13

   References:

    * The Angiosperm Phylogeny Group. (2016). An update of the Angiosperm
    Phylogeny Group classification for the orders and families of
    flowering plants: APG IV. Botanical Journal of the Linnean Society,
    181(1), 1–20. http://doi.org/10.1111/boj.12385

    * Luebert, F., Cecchi, L., Frohlich, M. W., & Gottschling, M. (2016).
    Familial classification of the Boraginales. Taxon, 65(3), 502–522.
    http://doi.org/10.12705/653.5

3. Add several new cultuvated and naturalised species

src/checklister.py

@@ -9,6 +9,8 @@
 
 if __name__ == "__main__":
     app = QApplication(sys.argv)
+    # for retina
+    #app.setAttribute(Qt.AA_EnableHighDpiScaling, True)
     current_locale = QLocale()
     trans = QTranslator()
     g = genlist_api.Genlist()

src/checklister.spec

@@ -49,5 +49,5 @@ coll = COLLECT(exe,
 app = BUNDLE(coll,
              name='checklister.app',
              icon='icons/checklister.icns',
-             version='0.3.2',
+             version='0.3.3',
              bundle_identifier=None)