Reading weight graphs#1

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MoriTanosuke wants to merge 6 commits intoericblue:masterfrom

MoriTanosuke:master

Commits on Jan 11, 2011

Added weight chart. (not yet tested, because no perl at hand)
MoriTanosuke
committed
Added get_weight_log() to get weights for each day.
MoriTanosuke
committed
Fixed some issues with weight graph. It is now loading AND logged, but not working when I add a similar line for weight in script/test_client.pl...
MoriTanosuke
committed
Added an example call to get_weight_log, but this unexpectedly returning "1" and not the weight.
MoriTanosuke
committed

Commits on Jan 12, 2011

Added Data::Dumper for output
MoriTanosuke
committed
Fixed the output of weight value. Still, it is not good and should be converted from array to scalar in API.pm, line 574+.
MoriTanosuke
committed