add bool() to output filter option, edit readme

Author: mwcm

pitcher_gui.py

@@ -170,7 +170,7 @@ def askopenoutputfilename():
             output_filter=bool(output_filter.get()),
             quantize_bits=get_current_bit_value(),
             custom_time_stretch=get_current_time_stretch_value(),
-            output_filter_type=output_filter_type.get(),
+            output_filter_type=bool(output_filter_type.get()),
             moog_output_filter_cutoff=10000,
             force_mono=bool(force_mono.get())
         )

readme.md

@@ -53,7 +53,6 @@ The [releases page](https://github.com/mwcm/pitcher/releases/tag/0.5.0) also has
 If you find this project useful, please consider donating to the [NAACP Legal Defense Fund](https://org2.salsalabs.com/o/6857/p/salsa/donation/common/public/?donate_page_KEY=15780&_ga=2.209233111.496632409.1590767838-1184367471.1590767838) or [BLM - TO](https://blacklivesmatter.ca/donate/)
 
 ### TODO:
-- add quantize flag to gui, remake executables, release 0.5.1
 - test scipy vs librosa resample, use one consistently or expose as option
 - progress bar or some sort of loading indicator
 - smaller exe size