add select statement functionality. #33
renamed column for columns and rewrite some tests
Add ActiveForce::Table class
Implement Table on SObject.
Add gitter link and and notifications.
Fix ActiveQuery#select to correctly select the column names and only the
ones passed by parameter.
Add support for ruby 1.9.3.
Merge pull request #44 from ionia-corporation/select_statement

add select statement functionality. #33
Include ActiveForce::Table require in SObject.
Update instance variable name.

@sf_table for @name.
Fix initialization on table.
Merge pull request #53 from olvap/table_to_class

Table to class
Fixed template to remove extra commas, also now works with custom table names.
Description added and refactored methods.
Use capitalized name.
Reworked old generator.
Error message when table is not found.
Refactor.
Add justifying to 'from' line.
Small refactor.