Support of upcoming tldr-pages spec 1.2

v2.3.0-beta2

Refactoring and added update fallback.

Added search option

• Added search
• Small improvements

Cache update fix

• Fixed a crash when updating the cache if a file called 'tldr' in the temp directory exists.
• Small improvements

Release v2.1.1, bumped target framework to 4.6.1

Mono 4.8, which supports .Net Framework 4.6.1, was already required
for TLS 1.2 support. We have now changed the framework version for newer
features because there is no backwards incompatibility.

v2.1.0

added update check

New client specification

v2.0.0

version bump and fix version option

Added url support

v1.4.2

add support for urls in pages

v1.4.1

• Removed full paths from database
• Improved path handling
• Fixed coloring didn't end after line

v1.4.0

fix unable to find an interpreter in test script

v1.3.2-1

Fix travis deployment