add primitive function `rand', `rand-range'
add sample `sample/io/dice.egi'
Merge branch 'loop'
fix Desugar
Merge branch 'master' of github.com:egisatoshi/egison3

Conflicts:
	hs-src/Language/Egison/Desugar.hs
Added how to start development
Merge pull request #4 from takei-shg/patch-1

Added how to start development
Merge branch 'loop' of github.com:egisatoshi/egison3
rename rand-range to rand
add author
fix poker-hands example
rewrite types, parser, desugar (imcomplete)
rewrite types core
update algebraic-data-matcher
update algebraic-data-matcher syntax
update pattern match test
version 3.0.2
fix english in egison.cabal
Merge branch 'master' of github.com:egisatoshi/egison3
implement Issue #1
add benchmark files of {cons, snoc} pattern of list matcher