Bad url search keyword encoding

[PaulMcInnis]

Description

We currently pass keywords verbatim, even if they include “+” or other special characters, we should be encoding these so as not to disrupt the url formation.

Steps to Reproduce

1. Search with any word containing +s such as “C++”

Expected behavior

We would get a query containing “%” encoded values in place of +s

Actual behavior

We build a search string with erroneous + chars that breaks the search query url (query is not as intended)

Environment

• Build: current dev
• Operating system Ubuntu 18.04

[PaulMcInnis]

We should consider using a library that construct urls for us which handles encoding

[markkvdb]

This problem is supposed to be fixed in #114

[PaulMcInnis]

Marking duplicate #80