Small corrections posted in 2.15.1

Update Details
Update Number: 
2.15.1
UI Update: 

Fixed a problem where if the inflation rate was changed on entries in the special expenditures or receipts that started after the current year the value was incorrectly recalculated.

fixed problem that would cause program to stop when survivor age was changed before computation of report

fixed problem with future rate of return.

fixed problem with ranges available in beta definition for new assets

Computation Engine: 

no changes

PDF Update: 

fixed a problem where report writer would crash unexpectedly.