Tystrings

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Feature
1. Support python 3

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Feature
1. `translate` subcommand add `--appid` and `--secret`

Bug Fixed
1. Translate Error

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Bug Fixed
1. diff table Output Error


+----+---------+---------+-------------+---------+
| | File1 | File2 | Key | Value |
|----+---------+---------+-------------+---------|
| + | 2 | | diff.test.0 | Test0 |
| - | 2 | | diff.test.0 | Test |
+----+---------+---------+-------------+---------+


should be


+----+---------+---------+-------------+---------+
| | File1 | File2 | Key | Value |
|----+---------+---------+-------------+---------|
| + | 2 | | diff.test.0 | Test0 |
| - | | 2 | diff.test.0 | Test |
+----+---------+---------+-------------+---------+

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Bug Fixed
1. Baidu Translator Encode Error
2. Translator Incremental Updates Error

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Feature
1. add `lint` subcommand

Validates a `.strings` file.
2. add `diff` subcommand

Compare `.strings` files line by line.

Bug Fixed
1. Parser Error [issue 1](https://github.com/luckytianyiyan/TyStrings/issues/1)

/* No comment provided by engineer. */
"parsing.test.4" ="Test4
Test4
Test4Test4Test4
Test4
";

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Feature
1. add `translate` subcommand
Enhancement
1. support multiple destination

-o DESTINATIONS [DESTINATIONS ...]

2. tystrings as subcommand 'tystrings generate'