trurl 0.8

Changes since previous release

 o add --urlencode

Bugfixes since previous release

 o --json/--get: .[].parts and {component} should be urldecoded not encoded
 o tests: use empty file instead of /dev/null
 o typos in manpage
 o Makefile: Allow CFLAGS to be appendable
 o Makefile: be explicit in C standard to use

Contributors to this release:

  Daniel Stenberg, Emanuele Torre, Krishean Draconis, Michael Ablassmeier,
  Paul Wise, Sevan Janiyan
