Log Message:
RRDtool 1.7.0

Bugfixes
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* made rrd_fetch_cb_wrapper in RRDs more careful with its arguments
* many bugfixes to resolve issues identified Coverty scan
* fix build issues with libdbl
* take the ds step into account while caching data in rrd graph DEF statements
* never 'exit' from librrd (even when DEBUG is on)

Features
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* new command rrd list to show rrd files in a directory
* configurable log-level for rrdcached
* hungarian translation (hu.po)

API
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* New Exported funtions: rrd_lcd, rrd_reduce_data, rrd_cf_conf and rrd_list
* rrd_list support for perl and python binding
* all new and much more complete python bindings working on both python 2.6+ and 3.3+
* extended documentation in rrdlib.pod