corrected alpha and beta angles - dimensionality analysis - strike determination

Signed-off-by: LK <LK@uni>
included methods to return teh 1d- or 2d-only parts of Z and PT

Signed-off-by: LK <LK@uni>
started distortion module

Signed-off-by: LK <LK@uni>
commented the distortion module

Signed-off-by: LK <LK@uni>
remove distortion 1D for z array/object working

Signed-off-by: LK <LK@uni>
added 2d distortion calculation incl. errors

Signed-off-by: LK <LK@uni>
distortion module: functions for calculating purely 1D/2D distortions from a Z object

Signed-off-by: LK <LK@uni>
error propagation in PT:alpha, beta, phimin, phimax

Signed-off-by: LK <LK@uni>
error for ecentricity in geometry module

Signed-off-by: LK <LK@uni>
started ResidualPhaseTensor class in pt module

Signed-off-by: LK <LK@uni>
ResidualPhaseTensor class: added definition - calculator: added multiplication of matrices incl errors

Signed-off-by: LK <LK@uni>
ResidualPhaseTensor class: added reading of 2 PT elemenst (arrays or objects)

Signed-off-by: LK <LK@uni>
cleaned up imports

Signed-off-by: LK <LK@uni>