Add more examples to README.md
Prepare for v1.0.1
Add release notes
Fix DoubleSuccessor behavior
Override DoubleSuccessor equals() & hashCode()
Private all constructors of utility classes
Improve code styles
Update release-notes
Move net.sf.rubycollect4j.range to net.sf.rubycollect4j.succ
Update pom.xml
Bump version to v1.2.0-SNAPSHOT
Prepare to release v1.2.0
Remove not necessary constructor out of DoubleSuccessor
Add unit tests for all classes within package net.sf.rubycollect4j.succ
Override toString()s