pragr 0.2.0

• added district_hexogram, an equal-area hex grid for Prague city districts
• added prg_ico
• added other prg_* codes that identify Prague in various registers
• added basic examples to core functions
• improved documentation incl. pkgdown site
• clarified and added detail to README

pragr 0.1.1

• improved file handling in raster data functions
• improved sizing in prg_basemap()
• streamlined interface to existing map services in raster functions

pragr 0.1.0

• new raster data functions