Manjunath P

DRY - Code Refactor

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- `case..when..else..end` blocks have been aligned vertically - Moved common code snippets to a private methods - Used `eval(str)` to return Boolean `true/false` - Removed `!!`(Double not) prepended to `true/false`

Allow symbol value via ENV

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This PR converts string starting with `:` to symbol. Allows symbol value via ENV. `Config::Options` when overriding settings via ENV variables is enabled and parsing ENV variable values is enabled...

Fasterer speedup for hash_update_vs_hash_brackets

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**Hash.update** is an alias for **Hash.merge!** Currently we have `hash_merge_bang_vs_hash_brackets` which suggests us to replace **Hash#merge!()** with **Hash#[]** but it doesn't suggest for **Hash#update()**. **Example** - hash.merge!({"key" => "value"}) ->...

Hash#update() vs Hash#[]=

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Hash#update is an alias for Hash#merge! Ergo, the suggestions for Hash#update should be similar to Hash#merge! Ref https://github.com/DamirSvrtan/fasterer/issues/82 Link to Fast-Ruby PR : https://github.com/JuanitoFatas/fast-ruby/pull/195

**Hash#update** is an alias for **Hash#merge!** Currently we have `merge_bang_vs_[]=` which suggests that **Hash#[]=** is faster and **Hash#merge!()** is slower. But we dont have any suggestions for `update_vs_[]=` i.e., **Hash#update()**...