Log Message:

added keyword 'probabilistic programming 	
updated doc
added 2015 in copyright
redefine dict in Python2 for using efficient iterator methods
added mode method
aca03eebf080 		
fix bug on CPT with context-specific independence; add getAleaLeavesSet and 
_getLeaChildren methods; refactor reset method
corrected withProb method
added Lea FOSDEM15 presentation
Added tag 2.0.0 for changeset 613c68acdfa6
version Lea 2.0.0
updated API doc
updated poisson method, added binom, bernoulli, interval methods
Added tag 2.0.0-beta.6 for changeset e7d5ec60e411
version Lea 2.0.0-beta.6
optimize random generator; memoize cumul functions; improve means for Python 
2/3 portability; split Alea _vps attribute into _vs and _ps
fix mean of deltatime in Python 2.x
Added tag 2.0.0-beta.5 for changeset 66362ef7ae4b
updated HTML doc
rename 'integral' by 'cumul'
version Lea 2.0.0-beta.5
added histogram + refactoring string representation methods
cleanup markov
Added tag 2.0.0-beta.4 for changeset 8273fdffa6f3
updated HTML doc