KT: pass screen number to the pager widget.
KT: take desktop geometry into account in pager.
KT: option for controlling pager visibility.
KT: provide info about whether window is on current desktop.
KT: add an option to only show windows from the current desktop.
KT: have room for pager button if it's shown.
Merge branch 'master' of github.com:0xd34df00d/leechcraft
PY: moved add/remove buttons to the toolbar.
PY: better handling for cases when there is no income.

Poleemery is for the poor :(
PY: generate all required colors.
PY: per-hour spendings breakdown.
PY: properly account for last balance in graphs.
PY: half-hour datasets.
PY: show savings only if positive.
NSM: don't show invalid items in nsm