experimenting with different learning algorithms from sklearn
see if presence of more zeros and ones causes overfit
passing the same relation instead of all 26 ones
to see if it fixes learning (it didn't)
trying interpolation instead of regression
found a nice way to handle composition
using a different plot setting
some experiments
Fixed a bug so as to keep planner start next cycle after the last planning failed.
Removed duplicate elements from the temporary list when clean up everything after planning.
relation formulas 2014
general clean up
Modified cost calculation for recursive rules: only calcualte the unstatisifed precondition cost.
Merge pull request #508 from shujingke/shujing

Modified cost calculation for recursive rules: only calcualte the unstatisifed precondition cost.
Implemented simple pattern miner framework.
Merge pull request #509 from shujingke/shujing

Implemented simple pattern miner framework.
Remove duplicate DeSTINcode to fix #490 as confirmed by @tpsjr7
Merge pull request #510 from cosmoharrigan/destin

Remove duplicate DeSTIN code to fix #490 as confirmed by @tpsjr7
Added PatternsToInstances map.
Merge pull request #511 from shujingke/shujing

Added PatternsToInstances map.
scheme: avoid call to un-needed functions

Neither the mark, nor the uuid free, are needed. So
don't call these functions; this will save some cpu time.