adding partial sampling notebook
add distribute_setup
reverse setup.py requirements
Adding hp.pchoice
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Adding hp.pchoice
renamed pchoice test file
removing unused pyll methods
reorganizing pchoice testing logic into unit tests
added pchoice and tpe categorical bugfix
Define kwswitch in terms of switch
remove kwswitch special case in eval
fix: sort keys in kwswitch
test case
new test case
test case in unit testing
clearing up
delete unnecessary test
delete forgotten print line
one more test case