Improvements in lightcurve and search by list of oids

[JavierArredondo]

Closes #178 Closes #282

• Fix boundaries in light curve. Now is automatic with max sigma in each case
• Compatible with a list of oids
• Disabled folded light curve when period is null

[dirodriguezm]

Shouldn't folded lightcurve be disabled when object is not corrected also ?

[JavierArredondo]

@dirodriguezm i'm sorry, I forgot the condition when the object isn't corrected