fixed travis icon so only refers to master
defaulted to only caching leaves' coefficients
store problem result and status
store problem result and status
store problem result and status
added tests for problem.value
Added values to constraints
constant keeps sparse matrices sparse
signs for scipy sparse matrices
fixed bug with sparse matrices
added scipy,numpy versions to readme
adjusted readme to reflect issues with newest numpy,scipy
added kl_div
Added kl_div to readme
dev scipy and numpy now work
added elementwise entr
Make the sign of entr correct
Add more helpful error message when problem isn't DCP.
Merge pull request #50 from tompx/fix/entr-and-errors

Fix/entr and errors
removed print statements from problem.is_dcp