Bump version to 1.2.0

Signed-off-by: Matthew Peveler <matt.peveler@gmail.com>

Author: MasterOdin

tldr.py

@@ -16,7 +16,7 @@
 import colorama  # Required for Windows
 import argcomplete
 
-__version__ = "1.1.0"
+__version__ = "1.2.0"
 __client_specification__ = "1.4"
 
 REQUEST_HEADERS = {'User-Agent': 'tldr-python-client'}