Rename source to tbl
Update from Rcpp
Update readme with new language
Remove old docs
Combine docs for key s3 tbl functions
Tweak to tbl constructor
Create sqlite src
Implement src_tbls and improve print method
Use src_sqlite in tbl_sqlite
tbl generic for creating tbls from srcs
Use src object when printing
Make it possible to create new databases
Use manual method to get table names.
So also get temporary tables
Rough sketch of sqlite writer functions
Create Lahman db.
Closes #31
Add indexes to Lahman db
Document write table
Cache Lahman db in standard location
Make tbl_sqlite default class more precise
Better printing for src_sqlite