Casparser

- Support for parsing scheme's latest nav
- Replaced `texttable` with `tabulate` for more cli output formats
- Added more test cases

- Support for parsing scheme valuation
- Parser code refactor (transparent to user)

- Added `balance` to Transaction
- Added test cases with travis-ci and codecov support
- minor bug fixes while parsing kfintech cas files

- minor bug fixes

- re-release 0.3.0 : Minor bug fix

- **Breaking Change**: In order to preserve the order of entries, during format
conversion to other data types like json., `folios` is a list instead of dict.
- Added a second parser based on [PyMuPDF](https://github.com/pymupdf/PyMuPDF) /
[MuPDF](https://mupdf.com/) - ~15-20x faster compared to pure-python pdfminer.
- Added AMC detection (accessible via `amc` property of folio)
- CLI summary now includes the number of transactions processed.