core.sh: cosmetics (indent)
core.sh: comment fix
plow*: use simple quotes if possible

In theory this is faster (no variable expansion). But I doubt we notice any performance difference.

sed -e '/[[:space:]]\+log_/{/[$'\'']/!s/"/'\''/g}'
core.sh: drop parse_last() api

"parse_all | last_line" is equivalent.

Note: last_time can taken an optionnal argument (number of tail line to take).
core.sh (log_report_info): drop useless "type -P"

If check_exec returns true, it means that executable is available from $PATH, so it can be called directly.
core.sh: comment fix
core.sh (translate_exec): fix when providing executable absolute path
plowdown: mark -c/--check-link as deprecated
modules: sync from master (plowshare4)

d70b434 modules: use simple quotes for MODULE_xxx_REGEXP_URL
3e05972 dl.free.fr: minor, fix url match regexp
0aa83e5 filemates: drop module
e17915e xfilesharing modules fix
51a3c84 hipfile: new full-featured module
9743ef4 sockshare: fix
cb609a8 1fichier (list): fix international links
0fc48ad 115 (download): parse_last => parse_all | last_line
4b8bc2d mediafire (upload): rewrite using official API
c71e768 sockshare: new full-featured module
a3ca8c8 sharebeast: new module with download, upload, delete & probe
dc62d4b dl.free.fr (download): add a check
352db20 jheberg (upload, list): fix (upstream updated)
21c316b 2shared: add probe support
02e5065 ziddu: new module with download, upload, delete & probe support
9252e59 core.sh (parse_attr, parse_all_attr): fix unquoted attributes
9b2dabd multiup.org: initial module with probe & list
174cbe0 sendspace (download, probe): add -L flag to curl to accept links without www