docs: Fix a few typos - #293

There are small typos in:
- BinPy/analog/buffers.py
- BinPy/analog/sig_gen.py
- BinPy/connectors/connector.py
- BinPy/connectors/linker.py
- BinPy/docs/ic/pin_class.md
- BinPy/examples/source/Gates/Connector.py
- BinPy/examples/source/algorithms/expression_convert_example.py
- BinPy/examples/source/algorithms/make_boolean_function_example.py
- BinPy/examples/source/analog/Analog Signal Generators.py
- BinPy/examples/source/connectors/Connector.py
- BinPy/examples/source/ic/Series_4000/IC4000.py
- BinPy/examples/source/ic/Series_4000/IC4001.py
- BinPy/examples/source/ic/Series_4000/IC4002.py
- BinPy/examples/source/ic/Series_4000/IC4011.py
- BinPy/examples/source/ic/Series_4000/IC4012.py
- BinPy/examples/source/ic/Series_4000/IC4023.py
- BinPy/examples/source/ic/Series_4000/IC4025.py
- BinPy/examples/source/ic/Series_4000/IC4068.py
- BinPy/examples/source/ic/Series_4000/IC4069.py
- BinPy/examples/source/ic/Series_4000/IC4070.py
- BinPy/examples/source/ic/Series_4000/IC4071.py
- BinPy/examples/source/ic/Series_4000/IC4072.py
- BinPy/examples/source/ic/Series_4000/IC4073.py
- BinPy/examples/source/ic/Series_4000/IC4075.py
- BinPy/examples/source/ic/Series_4000/IC4077.py
- BinPy/examples/source/ic/Series_4000/IC4078.py
- BinPy/examples/source/ic/Series_4000/IC4081.py
- BinPy/examples/source/ic/Series_4000/IC4082.py
- BinPy/examples/source/ic/Series_7400/IC7400.py
- BinPy/examples/source/ic/Series_7400/IC7401.py
- BinPy/examples/source/ic/Series_7400/IC7402.py
- BinPy/examples/source/ic/Series_7400/IC7403.py
- BinPy/examples/source/ic/Series_7400/IC7404.py
- BinPy/examples/source/ic/Series_7400/IC7405.py
- BinPy/examples/source/ic/Series_7400/IC7408.py
- BinPy/examples/source/ic/Series_7400/IC7410.py
- BinPy/examples/source/ic/Series_7400/IC7412.py
- BinPy/examples/source/ic/Series_7400/IC7413.py
- BinPy/examples/source/ic/Series_7400/IC74138.py
- BinPy/examples/source/ic/Series_7400/IC74139.py
- BinPy/examples/source/ic/Series_7400/IC7415.py
- BinPy/examples/source/ic/Series_7400/IC74151A.py
- BinPy/examples/source/ic/Series_7400/IC74152.py
- BinPy/examples/source/ic/Series_7400/IC74153.py
- BinPy/examples/source/ic/Series_7400/IC74156.py
- BinPy/examples/source/ic/Series_7400/IC7416.py
- BinPy/examples/source/ic/Series_7400/IC7418.py
- BinPy/examples/source/ic/Series_7400/IC7419.py
- BinPy/examples/source/ic/Series_7400/IC7420.py
- BinPy/examples/source/ic/Series_7400/IC7421.py
- BinPy/examples/source/ic/Series_7400/IC7422.py
- BinPy/examples/source/ic/Series_7400/IC7424.py
- BinPy/examples/source/ic/Series_7400/IC7425.py
- BinPy/examples/source/ic/Series_7400/IC7426.py
- BinPy/examples/source/ic/Series_7400/IC7427.py
- BinPy/examples/source/ic/Series_7400/IC7428.py
- BinPy/examples/source/ic/Series_7400/IC7430.py
- BinPy/examples/source/ic/Series_7400/IC7431.py
- BinPy/examples/source/ic/Series_7400/IC7432.py
- BinPy/examples/source/ic/Series_7400/IC7433.py
- BinPy/examples/source/ic/Series_7400/IC7437.py
- BinPy/examples/source/ic/Series_7400/IC7440.py
- BinPy/examples/source/ic/Series_7400/IC7442.py
- BinPy/examples/source/ic/Series_7400/IC7443.py
- BinPy/examples/source/ic/Series_7400/IC7444.py
- BinPy/examples/source/ic/Series_7400/IC7445.py
- BinPy/examples/source/ic/Series_7400/IC7451.py
- BinPy/examples/source/ic/Series_7400/IC7454.py
- BinPy/examples/source/ic/Series_7400/IC7455.py
- BinPy/examples/source/ic/Series_7400/IC7458.py
- BinPy/examples/source/ic/Series_7400/IC7464.py
- BinPy/examples/source/ic/Series_7400/IC7486.py
- BinPy/examples/source/sequential/Counters/DecadeCounter.py
- BinPy/examples/source/sequential/Counters/NBitDownCounter.py
- BinPy/examples/source/sequential/Counters/NBitRippleCounter.py
- BinPy/examples/source/sequential/Counters/OctalCounter.py
- BinPy/examples/source/sequential/Counters/Stage14Counter.py
- BinPy/ic/series_4000.py
- BinPy/tests/test_bittools.py
- README.md
- docs/source/examples/algorithms/expression_convert_example.rst
- docs/source/examples/algorithms/make_boolean_function_example.rst

Fixes:
- Should read `initialization` rather than `initinalization`.
- Should read `demonstrate` rather than `demostrate`.
- Should read `input` rather than `inpput`.
- Should read `returns` rather than `retuns`.
- Should read `instance` rather than `intance`.
- Should read `constraint` rather than `contraint`.
- Should read `service` rather than `servic`.
- Should read `truncated` rather than `trucated`.
- Should read `outputs` rather than `ouputs`.
- Should read `instances` rather than `intances`.
- Should read `however` rather than `hovever`.
- Should read `frequency` rather than `freqency`.
- Should read `focuses` rather than `focusses`.
- Should read `containing` rather than `containg`.
- Should read `collection` rather than `collecion`.
- Should read `between` rather than `betweem`.
- Should read `asynchronous` rather than `asynchornous`.