Integer as string should be defined as string

[mohanapriya2308]

Fix for #475

parse_data parses integer string also to integers. This breaks when integer string is expected to be string. To fix this, introduced new param parse_integer when set to false, integers are not parsed.

Before
JSON::Validator.fully_validate({type: "string"}, "123")
=> ["The property '#/' of type integer did not match the following type: string in schema"]

After
JSON::Validator.fully_validate({type: "string"}, "123", {"parse_integer" => false)
=> []

[codecov]

Codecov Report

Patch coverage: 100.00% and no project coverage change.

Comparison is base (5dbb4df) 90.08% compared to head (7d04f4f) 90.08%.

❗ Current head 7d04f4f differs from pull request most recent head c9baeef. Consider uploading reports for the commit c9baeef to get more accurate results

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #497   +/-   ##
=======================================
  Coverage   90.08%   90.08%           
=======================================
  Files          76       76           
  Lines        1583     1584    +1     
=======================================
+ Hits         1426     1427    +1     
  Misses        157      157           

Impacted Files	Coverage Δ
lib/json-schema/validator.rb	85.28% <100.00%> (+0.04%)	⬆️

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[bastelfreak]

@mohanapriya2308 thanks for the fix!