Merge pull request #70 from hisohito/master

Fixes #69
added credits for Julia
Merge pull request #71 from hisohito/master

Fixes #66
added credits for Julia
Merge pull request #72 from hisohito/master

Fixes #68
Merge pull request #73 from hisohito/master

Fixes #67
added credits for Julia
Bug #64 fixed.
Bug #64 fixed.
#64 fixed again
fixes bug#64
Merge branch 'master' of https://github.com/SamoylovMD/la4j
Merge pull request #74 from SamoylovMD/master

Fixed #64
added credits for Maxim
Added Vector.eachNonZero method and implementations (issue #57)
Added Vector.eachNonZero method and implementations (issue #57)
Added Vector.eachNonZero method and implementations (issue #57)
Added Vector.eachNonZero method and implementations (issue #57)
Merge pull request #76 from SamoylovMD/master

Added Vector.eachNonZero method and implementations (issue #57)
Issue #75 fixed.