glassdoor 0.8.0

• Added gd_employer_df, gd_review, and gd_company_df.
• Fixed the query argument in general API, which may break some code, but more clean in the future.
• Removed xml2 dependency as not needed.

glassdoor 0.7.5

• Fixed DESCRIPTION file and submitting to CRAN.

glassdoor 0.7.0

• Added a NEWS.md file to track changes to the package.

• First Submission to CRAN