Log Message:
net/tlrc: update to 1.7.1

v1.7.1
 - Fix the error on new installations preventing usage of the client entirely
   if the cache directory does not exist yet.

v1.7.0
 - Platforms are now detected from the cache directory
 - The cache.language config option now overrides environment variables during
   page resolution
 - pages.en is now used for English pages.