Update whatlang requirement from 0.7.0 to 0.9.0

[dependabot-preview[bot]]

Updates the requirements on whatlang to permit the latest version.

Changelog

Sourced from whatlang's changelog.

v0.9.0 - 2020-06-26

• Support Slovak

v0.8.0 - 2020-05-08

• Support Latin

v0.7.4 - 2020-04-26 (yanked version)

• Support Latin

v0.7.2 - 2019-10-19

• (fix) respect japanese whitelisting when mandarin characters are given (#44)

v0.7.1 - 2019-05-06

• Update dependency hashbrown 0.1.8 -> 0.3.0 (10% faster)

v0.7.0 - 2019-03-03

• Support Afrikaans language (afr)
• Get rid of build dependencies: installation is much faster now

v0.6.0 - 2018-11-09

• Use hashbrown instead of fnv (detect() is 30% faster)
• Use array on stack instead of vector for detect_script (1-2% faster)
• Use build.rs to generate lang.rs file
• Add property based testing

v0.5.0 - 2017-08-06

• (breaking) Rename Lang::to_code(&self) to Lang::code(&self)
• (fix) Fix bug with zero division in confidence calculation
• (fix) Confidence can not exceed 1.0
• Implement Lang::eng_name(&self) -> &str function
• Implement Lang::name(&self) -> &str function
• Implement Script::name(&self) -> &str function
• Implement trait Dislpay for Script
• Implement Display trait for Lang

v0.4.1 - 2017-07-31

• Calculate confidence in the range from 0 to 1 for Info

v0.4.0 - 2017-07-30

• Calculate is_reliable bool for Info struct.
• Breaking changes for Info. Make fields private. Now one should use methods.
• Remove support of Latin version of Serbo-Croatian, because it conflicts a lot with modern Croatian.

v0.3.3 - 2017-07-26

• Replace HashMap with FnvHashMap (~ 33% faster)

v0.3.2 - 2017-06-04

• Small performance improvement: preallocate memory for counter_hash in trigrams.rs (~ 2-3% faster)

v0.3.1 - 2017-02-10

Commits

• See full diff in compare view

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[dependabot-preview[bot]]

Superseded by #57.