Removed getBSHC
Added dist2isobath and linesGC. Removed add.nas

add.nas is now unnecessary since the updated versions of read.bathy and
as.bathy deal much better with missing values and irregular bathy data.
Fixed typo in linesGC.Rd
Improved examples for dist2isobath
Formatted help files for linesGC and dist2isobath
Fixed typos in new functions
Fixed bug with NAs in palette.bathy
Updated setSQL and subsetSQL

Updated functions setSQL() and subsetSQL() to fit new version (1.0.0)
of RSQLite. Calling DBI instead of RSQLite. Updated DESCRIPTION file to
include DBI in Imports list.
Updated help file for setSQL and subsetSQL

in particular, fixed the example code.
Updated help file for setSQL and subsetSQL

just fixed a grammatical error…
Big redesign of vignettes
bugfix & vignette tweaking to pass check --as-cran
Tweaks to SQL functions

Allowing the specifications for custom headers and separators for xyz
files used for creating a SQL database
Update the SQL section of the I/E vignette
Fixed typo in vignette
Fixed subsetSQL help file
Merge branch 'marmap-v1.0'
Push all v0.9 modifications to master

getBSHC was removed from v0.9. It has been added in master again.