some changes
	modified:   eZLib/nbproject/project.properties
	new file:   eZLib/src/eZLib/CylindricalVector.java
	new file:   eZLib/src/eZLib/EulerAngles.java
	modified:   eZLib/src/eZLib/Pair.java
	modified:   eZLib/src/eZLib/Physics/FluidResistance.java
	modified:   eZLib/src/eZLib/Physics/Resistance.java
	new file:   eZLib/src/eZLib/SphericalVector.java
	new file:   eZLib/src/eZLib/Triple.java
	modified:   eZLib/src/eZLib/Vector.java
	new file:   eZLib/test/eZLib/EulerAnglesTest.java
	new file:   eZLib/test/eZLib/UTools.java
	new file:   eZLib/test/eZLib/VectorTest.java