Pytomcrypt

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- Python 3 compatibility.
- Cipher EAX mode.
- ECC implemented.
- Substantially cleaner build process.
- Removed redundant RSA functions `generate_key` and `key_from_string`.

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- Fixed `rsa.Key.as_string()` bug (private keys were marked as public).
- Added explicit `rsa.Key.auto_seed(length)`

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- Removed `-rdynamic` compilation flag as it is now unnesesary.

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- Added some dylib magic for Linux.
- PRNGs auto start.

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- Compilation fix.

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- Manifest fix.
- BROKEN; DO NOT USE!